Remove API references to searching snippet blobs

Searching snippet blob/content is now not possible due to the
move to snippet repositories. This commit removes references
to it in API

doc/api/search.md

@@ -17,7 +17,7 @@ GET /search
 | `scope`       | string   | yes        | The scope to search in                |
 | `search`      | string   | yes        | The search query  |
 
-Search the expression within the specified scope. Currently these scopes are supported: projects, issues, merge_requests, milestones, snippet_titles, snippet_blobs, users.
+Search the expression within the specified scope. Currently these scopes are supported: projects, issues, merge_requests, milestones, snippet_titles, users.
 
 If Elasticsearch is enabled additional scopes available are blobs, wiki_blobs and commits. Find more about [the feature](../integration/elasticsearch.md). **(STARTER)**
 
@@ -253,39 +253,6 @@ Example response:
 ]
 ```
 
-### Scope: snippet_blobs
-
-This scope will be disabled after GitLab 13.0.
-
-```shell
-curl --header "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/search?scope=snippet_blobs&search=test
-```
-
-Example response:
-
-```json
-[
-  {
-    "id": 50,
-    "title": "Sample file",
-    "file_name": "file.rb",
-    "description": "Simple ruby file",
-    "author": {
-      "id": 1,
-      "name": "Administrator",
-      "username": "root",
-      "state": "active",
-      "avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon",
-      "web_url": "http://localhost:3000/root"
-    },
-    "updated_at": "2018-02-06T12:49:29.104Z",
-    "created_at": "2017-11-28T08:20:18.071Z",
-    "project_id": 9,
-    "web_url": "http://localhost:3000/root/jira-test/snippets/50"
-  }
-]
-```
-
 ### Scope: wiki_blobs **(STARTER)**
 
 This scope is available only if [Elasticsearch](../integration/elasticsearch.md) is enabled.

lib/api/helpers/search_helpers.rb

@@ -5,7 +5,7 @@ module API
     module SearchHelpers
       def self.global_search_scopes
         # This is a separate method so that EE can redefine it.
-        %w(projects issues merge_requests milestones snippet_titles snippet_blobs users)
+        %w(projects issues merge_requests milestones snippet_titles users)
       end
 
       def self.group_search_scopes

lib/api/search.rb

@@ -17,7 +17,6 @@ module API
         blobs: Entities::Blob,
         wiki_blobs: Entities::Blob,
         snippet_titles: Entities::Snippet,
-        snippet_blobs: Entities::Snippet,
         users: Entities::UserBasic
       }.freeze
 
@@ -36,7 +35,7 @@ module API
       end
 
       def snippets?
-        %w(snippet_blobs snippet_titles).include?(params[:scope]).to_s
+        %w(snippet_titles).include?(params[:scope]).to_s
       end
 
       def entity

spec/requests/api/search_spec.rb

@@ -129,16 +129,6 @@ describe API::Search do
 
         it_behaves_like 'response is correct', schema: 'public_api/v4/snippets'
       end
-
-      context 'for snippet_blobs scope' do
-        before do
-          create(:snippet, :public, title: 'awesome snippet', content: 'snippet content')
-
-          get api('/search', user), params: { scope: 'snippet_blobs', search: 'content' }
-        end
-
-        it_behaves_like 'response is correct', schema: 'public_api/v4/snippets'
-      end
     end
   end