Don't add single-line class to editor in command panel and file finder… it's defunct

src/extensions/command-panel.coffee

@@ -24,7 +24,6 @@ class CommandPanel extends View
     @rootView.on 'command-panel:execute', => @execute()
     @rootView.on 'command-panel:find-in-file', => @show("/")
     @rootView.on 'command-panel:repeat-relative-address', => @repeatRelativeAddress()
-    @editor.addClass 'single-line'
 
     @editor.off 'move-up move-down'
     @editor.on 'move-up', => @navigateBackwardInHistory()

src/extensions/file-finder.coffee

@@ -26,7 +26,6 @@ class FileFinder extends View
     @on 'move-down', => @moveDown()
     @on 'file-finder:select-file', => @select()
 
-    @editor.addClass 'single-line'
     @editor.buffer.on 'change', => @populatePathList() if @hasParent()
     @editor.off 'move-up move-down'