IssueNotesRefactor: Remove vendored svg icons and use from shared icons folder.

app/assets/javascripts/notes/components/issue_note_actions.vue

 <script>
-import emojiSmiling from '../icons/emoji_slightly_smiling_face.svg';
-import emojiSmile from '../icons/emoji_smile.svg';
-import emojiSmiley from '../icons/emoji_smiley.svg';
+import emojiSmiling from 'icons/_emoji_slightly_smiling_face.svg';
+import emojiSmile from 'icons/_emoji_smile.svg';
+import emojiSmiley from 'icons/_emoji_smiley.svg';
 
 export default {
   props: {

app/assets/javascripts/notes/components/issue_note_awards_list.vue

 <script>
 import { glEmojiTag } from '~/behaviors/gl_emoji';
-import emojiSmiling from '../icons/emoji_slightly_smiling_face.svg';
-import emojiSmile from '../icons/emoji_smile.svg';
-import emojiSmiley from '../icons/emoji_smiley.svg';
+import emojiSmiling from 'icons/_emoji_slightly_smiling_face.svg';
+import emojiSmile from 'icons/_emoji_smile.svg';
+import emojiSmiley from 'icons/_emoji_smiley.svg';
 
 export default {
   props: {

app/assets/javascripts/notes/icons/emoji_slightly_smiling_face.svg

-<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg"><path d="M13.29 11.098a4.328 4.328 0 0 1-1.618 2.285c-.79.578-1.68.867-2.672.867-.992 0-1.883-.29-2.672-.867a4.328 4.328 0 0 1-1.617-2.285.721.721 0 0 1 .047-.569.715.715 0 0 1 .445-.369.721.721 0 0 1 .568.047.715.715 0 0 1 .37.445c.195.625.556 1.131 1.084 1.518A2.93 2.93 0 0 0 9 12.75a2.93 2.93 0 0 0 1.775-.58 2.913 2.913 0 0 0 1.084-1.518.711.711 0 0 1 .375-.445.737.737 0 0 1 .575-.047c.195.063.34.186.433.37.094.183.11.372.047.568zM7.5 6c0 .414-.146.768-.44 1.06-.292.294-.646.44-1.06.44-.414 0-.768-.146-1.06-.44A1.445 1.445 0 0 1 4.5 6c0-.414.146-.768.44-1.06.292-.294.646-.44 1.06-.44.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm6 0c0 .414-.146.768-.44 1.06-.292.294-.646.44-1.06.44-.414 0-.768-.146-1.06-.44A1.445 1.445 0 0 1 10.5 6c0-.414.146-.768.44-1.06.292-.294.646-.44 1.06-.44.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm3 3a7.29 7.29 0 0 0-.598-2.912 7.574 7.574 0 0 0-1.6-2.39 7.574 7.574 0 0 0-2.39-1.6A7.29 7.29 0 0 0 9 1.5a7.29 7.29 0 0 0-2.912.598 7.574 7.574 0 0 0-2.39 1.6 7.574 7.574 0 0 0-1.6 2.39A7.29 7.29 0 0 0 1.5 9c0 1.016.2 1.986.598 2.912a7.574 7.574 0 0 0 1.6 2.39 7.574 7.574 0 0 0 2.39 1.6A7.29 7.29 0 0 0 9 16.5a7.29 7.29 0 0 0 2.912-.598 7.574 7.574 0 0 0 2.39-1.6 7.574 7.574 0 0 0 1.6-2.39A7.29 7.29 0 0 0 16.5 9zM18 9a8.804 8.804 0 0 1-1.207 4.518 8.96 8.96 0 0 1-3.275 3.275A8.804 8.804 0 0 1 9 18a8.804 8.804 0 0 1-4.518-1.207 8.96 8.96 0 0 1-3.275-3.275A8.804 8.804 0 0 1 0 9c0-1.633.402-3.139 1.207-4.518a8.96 8.96 0 0 1 3.275-3.275A8.804 8.804 0 0 1 9 0c1.633 0 3.139.402 4.518 1.207a8.96 8.96 0 0 1 3.275 3.275A8.804 8.804 0 0 1 18 9z" fill-rule="evenodd"/></svg>

app/assets/javascripts/notes/icons/emoji_smile.svg

-<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg"><path d="M13.29 11.098a4.328 4.328 0 0 1-1.618 2.285c-.79.578-1.68.867-2.672.867-.992 0-1.883-.29-2.672-.867a4.328 4.328 0 0 1-1.617-2.285.721.721 0 0 1 .047-.569.715.715 0 0 1 .445-.369c.195-.062 7.41-.062 7.606 0 .195.063.34.186.433.37.094.183.11.372.047.568zM14 6.37c0 .398-.04.755-.513.755-.473 0-.498-.272-1.237-.272-.74 0-.74.215-1.165.215-.425 0-.585-.3-.585-.698 0-.397.17-.736.513-1.017.341-.281.754-.422 1.237-.422.483 0 .896.14 1.237.422.342.28.513.62.513 1.017zm-6.5 0c0 .398-.04.755-.513.755-.473 0-.498-.272-1.237-.272-.74 0-.74.215-1.165.215-.425 0-.585-.3-.585-.698 0-.397.17-.736.513-1.017.341-.281.754-.422 1.237-.422.483 0 .896.14 1.237.422.342.28.513.62.513 1.017zm9 2.63a7.29 7.29 0 0 0-.598-2.912 7.574 7.574 0 0 0-1.6-2.39 7.574 7.574 0 0 0-2.39-1.6A7.29 7.29 0 0 0 9 1.5a7.29 7.29 0 0 0-2.912.598 7.574 7.574 0 0 0-2.39 1.6 7.574 7.574 0 0 0-1.6 2.39A7.29 7.29 0 0 0 1.5 9c0 1.016.2 1.986.598 2.912a7.574 7.574 0 0 0 1.6 2.39 7.574 7.574 0 0 0 2.39 1.6A7.29 7.29 0 0 0 9 16.5a7.29 7.29 0 0 0 2.912-.598 7.574 7.574 0 0 0 2.39-1.6 7.574 7.574 0 0 0 1.6-2.39A7.29 7.29 0 0 0 16.5 9zM18 9a8.804 8.804 0 0 1-1.207 4.518 8.96 8.96 0 0 1-3.275 3.275A8.804 8.804 0 0 1 9 18a8.804 8.804 0 0 1-4.518-1.207 8.96 8.96 0 0 1-3.275-3.275A8.804 8.804 0 0 1 0 9c0-1.633.402-3.139 1.207-4.518a8.96 8.96 0 0 1 3.275-3.275A8.804 8.804 0 0 1 9 0c1.633 0 3.139.402 4.518 1.207a8.96 8.96 0 0 1 3.275 3.275A8.804 8.804 0 0 1 18 9z" fill-rule="evenodd"/></svg>

app/assets/javascripts/notes/icons/emoji_smiley.svg

-<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg"><path d="M13.29 11.098a4.328 4.328 0 0 1-1.618 2.285c-.79.578-1.68.867-2.672.867-.992 0-1.883-.29-2.672-.867a4.328 4.328 0 0 1-1.617-2.285.721.721 0 0 1 .047-.569.715.715 0 0 1 .445-.369c.195-.062 7.41-.062 7.606 0 .195.063.34.186.433.37.094.183.11.372.047.568h.001zM7.5 6c0 .414-.146.768-.44 1.06A1.44 1.44 0 0 1 6 7.5a1.44 1.44 0 0 1-1.06-.44A1.445 1.445 0 0 1 4.5 6c0-.414.146-.768.44-1.06A1.44 1.44 0 0 1 6 4.5c.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm6 0c0 .414-.146.768-.44 1.06A1.44 1.44 0 0 1 12 7.5a1.44 1.44 0 0 1-1.06-.44A1.445 1.445 0 0 1 10.5 6c0-.414.146-.768.44-1.06A1.44 1.44 0 0 1 12 4.5c.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm3 3a7.29 7.29 0 0 0-.598-2.912 7.574 7.574 0 0 0-1.6-2.39 7.574 7.574 0 0 0-2.39-1.6A7.29 7.29 0 0 0 9 1.5a7.29 7.29 0 0 0-2.912.598 7.574 7.574 0 0 0-2.39 1.6 7.574 7.574 0 0 0-1.6 2.39A7.29 7.29 0 0 0 1.5 9c0 1.016.2 1.986.598 2.912a7.574 7.574 0 0 0 1.6 2.39 7.574 7.574 0 0 0 2.39 1.6c.92.397 1.91.6 2.912.598a7.29 7.29 0 0 0 2.912-.598 7.574 7.574 0 0 0 2.39-1.6 7.574 7.574 0 0 0 1.6-2.39c.397-.92.6-1.91.598-2.912zM18 9a8.804 8.804 0 0 1-1.207 4.518 8.96 8.96 0 0 1-3.275 3.275A8.804 8.804 0 0 1 9 18a8.804 8.804 0 0 1-4.518-1.207 8.96 8.96 0 0 1-3.275-3.275A8.804 8.804 0 0 1 0 9c0-1.633.402-3.139 1.207-4.518a8.96 8.96 0 0 1 3.275-3.275A8.804 8.804 0 0 1 9 0c1.633 0 3.139.402 4.518 1.207a8.96 8.96 0 0 1 3.275 3.275A8.804 8.804 0 0 1 18 9z" fill-rule="nonzero"/></svg>