Drop attach/remove hook support for legacy SpacePen views

src/pane-axis-element.coffee

@@ -1,5 +1,4 @@
 {CompositeDisposable} = require 'event-kit'
-{callAttachHooks} = require './space-pen-extensions'
 PaneResizeHandleElement = require './pane-resize-handle-element'
 
 class PaneAxisElement extends HTMLElement
@@ -43,8 +42,6 @@ class PaneAxisElement extends HTMLElement
       resizeHandle = document.createElement('atom-pane-resize-handle')
       @insertBefore(resizeHandle, nextElement)
 
-    callAttachHooks(view) # for backward compatibility with SpacePen views
-
   childRemoved: ({child}) ->
     view = atom.views.getView(child)
     siblingView = view.previousSibling

src/pane-container-element.coffee

@@ -1,6 +1,5 @@
 {CompositeDisposable} = require 'event-kit'
 Grim = require 'grim'
-{callAttachHooks} = require './space-pen-extensions'
 _ = require 'underscore-plus'
 
 module.exports =
@@ -19,7 +18,6 @@ class PaneContainerElement extends HTMLElement
     if root?
       view = atom.views.getView(root)
       @appendChild(view)
-      callAttachHooks(view)
       focusedElement?.focus()
 
   hasFocus: ->

src/pane-element.coffee

@@ -1,7 +1,7 @@
 path = require 'path'
 {CompositeDisposable} = require 'event-kit'
 Grim = require 'grim'
-{$, callAttachHooks, callRemoveHooks} = require './space-pen-extensions'
+{$} = require './space-pen-extensions'
 
 class PaneElement extends HTMLElement
   attached: false
@@ -88,7 +88,6 @@ class PaneElement extends HTMLElement
 
     unless @itemViews.contains(itemView)
       @itemViews.appendChild(itemView)
-      callAttachHooks(itemView)
 
     for child in @itemViews.children
       if child is itemView
@@ -113,7 +112,6 @@ class PaneElement extends HTMLElement
 
   itemRemoved: ({item, index, destroyed}) ->
     if viewToRemove = atom.views.getView(item)
-      callRemoveHooks(viewToRemove) if destroyed
       viewToRemove.remove()
 
   paneDestroyed: ->

src/panel-element.coffee

@@ -1,5 +1,4 @@
 {CompositeDisposable} = require 'event-kit'
-{callAttachHooks} = require './space-pen-extensions'
 Panel = require './panel'
 
 class PanelElement extends HTMLElement
@@ -21,7 +20,6 @@ class PanelElement extends HTMLElement
     atom.views.getView(@getModel().getItem())
 
   attachedCallback: ->
-    callAttachHooks(@getItemView()) # for backward compatibility with SpacePen views
     @visibleChanged(@getModel().isVisible())
 
   visibleChanged: (visible) ->

src/workspace-element.coffee

@@ -3,7 +3,6 @@ path = require 'path'
 {Disposable, CompositeDisposable} = require 'event-kit'
 Grim = require 'grim'
 scrollbarStyle = require 'scrollbar-style'
-{callAttachHooks} = require 'space-pen'
 
 module.exports =
 class WorkspaceElement extends HTMLElement
@@ -16,7 +15,6 @@ class WorkspaceElement extends HTMLElement
     @observeTextEditorFontConfig()
 
   attachedCallback: ->
-    callAttachHooks(this) if Grim.includeDeprecatedAPIs
     @focus()
 
   detachedCallback: ->