Remove useless attachToDocument property

attachToDocument property is not needed

spec/frontend/notes/components/comment_form_spec.js

@@ -37,7 +37,6 @@ describe('issue_comment_form component', () => {
         noteableType,
       },
       store,
-      attachToDocument: true,
     });
   };
 

spec/frontend/notes/components/discussion_jump_to_next_button_spec.js

@@ -5,9 +5,7 @@ describe('JumpToNextDiscussionButton', () => {
   let wrapper;
 
   beforeEach(() => {
-    wrapper = shallowMount(JumpToNextDiscussionButton, {
-      attachToDocument: true,
-    });
+    wrapper = shallowMount(JumpToNextDiscussionButton);
   });
 
   afterEach(() => {

spec/frontend/notes/components/discussion_notes_spec.js

@@ -31,7 +31,6 @@ describe('DiscussionNotes', () => {
       slots: {
         'avatar-badge': '<span class="avatar-badge-slot-content" />',
       },
-      attachToDocument: true,
     });
   };
 

spec/frontend/notes/components/note_app_spec.js

@@ -59,7 +59,6 @@ describe('note_app', () => {
           </div>`,
         },
         {
-          attachToDocument: true,
           propsData,
           store,
         },

spec/frontend/notes/components/note_edited_text_spec.js

@@ -21,7 +21,6 @@ describe('NoteEditedText', () => {
   beforeEach(() => {
     wrapper = shallowMount(NoteEditedText, {
       propsData,
-      attachToDocument: true,
     });
   });