VCS: Disable revision bar on annotate/log output

Task-number: QTCREATORBUG-5313

Change-Id: I3dee69028e782c6f87ea1ef8b251d944bcf9be6d
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/plugins/vcsbase/vcsbaseeditor.cpp

@@ -688,6 +688,8 @@ void VcsBaseEditorWidget::init()
         break;
     }
     TextEditor::TextEditorSettings::instance()->initializeEditor(this);
+    // override revisions display (green or red bar on the left, marking changes):
+    setRevisionsVisible(false);
 }
 
 VcsBaseEditorWidget::~VcsBaseEditorWidget()