Fix double periods in changelog and readme views

app/views/projects/blob/viewers/_changelog.html.haml

 = sprite_icon('history', css_class: 'gl-mr-1 gl-vertical-align-text-bottom')
 = succeed '.' do
-  = _("To find the state of this project's repository at the time of any of these versions, check out %{link_start}the tags%{link_end}.").html_safe % { link_start: "<a href='#{project_tags_path(viewer.project)}'>".html_safe, link_end: "</a>".html_safe }
+  = _("To find the state of this project's repository at the time of any of these versions, check out %{link_start}the tags%{link_end}").html_safe % { link_start: "<a href='#{project_tags_path(viewer.project)}'>".html_safe, link_end: "</a>".html_safe }

app/views/projects/blob/viewers/_readme.html.haml

 = sprite_icon('information-o', css_class: 'gl-vertical-align-middle! gl-mr-2')
 = succeed '.' do
   - link_to_wiki = link_to(_("the wiki"), wiki_path(viewer.project.wiki))
-  = _("To learn more about this project, read %{link_to_wiki}.").html_safe % { link_to_wiki: link_to_wiki }
+  = _("To learn more about this project, read %{link_to_wiki}").html_safe % { link_to_wiki: link_to_wiki }

locale/gitlab.pot

@@ -35795,7 +35795,7 @@ msgstr ""
 msgid "To ensure no loss of personal content, this account should only be used for matters related to %{group_name}."
 msgstr ""
 
-msgid "To find the state of this project's repository at the time of any of these versions, check out %{link_start}the tags%{link_end}."
+msgid "To find the state of this project's repository at the time of any of these versions, check out %{link_start}the tags%{link_end}"
 msgstr ""
 
 msgid "To further protect your account, consider configuring a %{mfa_link_start}two-factor authentication%{mfa_link_end} method."
@@ -35831,7 +35831,7 @@ msgstr ""
 msgid "To keep this project going, create a new merge request"
 msgstr ""
 
-msgid "To learn more about this project, read %{link_to_wiki}."
+msgid "To learn more about this project, read %{link_to_wiki}"
 msgstr ""
 
 msgid "To move or copy an entire GitLab project from another GitLab installation to this one, navigate to the original project's settings page, generate an export file, and upload it here."