Remove unnecesary wrapper elements

app/assets/stylesheets/pages/merge_requests.scss

@@ -192,10 +192,6 @@
   line-height: 1.1;
 }
 
-.merge-request-form-info {
-  padding-top: 15px;
-}
-
 // hide mr close link for inline diff comment form
 .diff-file .close-mr-link,
 .diff-file .reopen-mr-link {

app/views/projects/_commit_button.html.haml

 .form-actions
-  .commit-button-annotation
-    = button_tag 'Commit Changes',
-                 class: 'btn commit-btn js-commit-button btn-create'
+  = button_tag 'Commit Changes', class: 'btn commit-btn js-commit-button btn-create'
   = link_to 'Cancel', cancel_path,
             class: 'btn btn-cancel', data: {confirm: leave_edit_message}

app/views/projects/issues/_form.html.haml

-%div.issue-form-holder
-  = form_for [@project.namespace.becomes(Namespace), @project, @issue], html: { class: 'form-horizontal issue-form gfm-form' } do |f|
+= form_for [@project.namespace.becomes(Namespace), @project, @issue], html: { class: 'form-horizontal issue-form gfm-form js-requires-input' } do |f|
   = render 'shared/issuable/form', f: f, issuable: @issue
 
 :javascript

app/views/projects/merge_requests/_form.html.haml

 = form_for [@project.namespace.becomes(Namespace), @project, @merge_request], html: { class: 'merge-request-form form-horizontal gfm-form js-requires-input' } do |f|
-  .merge-request-form-info
   = render 'shared/issuable/form', f: f, issuable: @merge_request
 
 :javascript

app/views/projects/merge_requests/_new_submit.html.haml

@@ -11,7 +11,6 @@
     = link_to 'Change branches', mr_change_branches_path(@merge_request)
 %hr
 = form_for [@project.namespace.becomes(Namespace), @project, @merge_request], html: { class: 'merge-request-form form-horizontal gfm-form js-requires-input' } do |f|
-  .merge-request-form-info
   = render 'shared/issuable/form', f: f, issuable: @merge_request
   = f.hidden_field :source_project_id
   = f.hidden_field :source_branch

app/views/projects/notes/_edit_form.html.haml

@@ -6,6 +6,5 @@
       = render 'projects/notes/hints'
 
     .note-form-actions
-      .buttons
       = f.submit 'Save Comment', class: 'btn btn-primary btn-save btn-grouped js-comment-button'
       = link_to  'Cancel', '#', class: 'btn btn-cancel note-edit-cancel'

app/views/projects/notes/_form.html.haml

@@ -12,8 +12,7 @@
     = render 'projects/notes/hints'
     .error-alert
 
-  .note-form-actions
-    .buttons.clearfix
-      = f.submit 'Add Comment', class: "btn btn-green comment-btn btn-grouped js-comment-button"
+  .note-form-actions.clearfix
+    = f.submit 'Add Comment', class: "btn btn-create comment-btn btn-grouped js-comment-button"
     = yield(:note_actions)
-      %a.btn.grouped.js-close-discussion-note-form Cancel
+    %a.btn.btn-cancel.js-close-discussion-note-form Cancel