Remove toggle soft wrap and toggle soft tabs

No one uses them in packages, and we don’t use them internally

src/react-editor-view.coffee

@@ -183,10 +183,6 @@ class EditorView extends View
   scrollToCursorPosition: ->
     @editor.scrollToCursorPosition()
 
-  scrollToPixelPosition: (pixelPosition) ->
-    screenPosition = screenPositionForPixelPosition(pixelPosition)
-    @editor.scrollToScreenPosition(screenPosition)
-
   # Public: Converts a buffer position to a pixel position.
   #
   # position - An object that represents a buffer position. It can be either
@@ -334,12 +330,6 @@ class EditorView extends View
   setShowInvisibles: (showInvisibles) ->
     @component.setShowInvisibles(showInvisibles)
 
-  toggleSoftWrap: ->
-    @editor.toggleSoftWrap()
-
-  toggleSoftTabs: ->
-    @editor.toggleSoftTabs()
-
   getText: ->
     @editor.getText()