Remove unused imports

src/context-menu-manager.coffee

@@ -1,6 +1,4 @@
-{$} = require './space-pen-extensions'
 _ = require 'underscore-plus'
-remote = require 'remote'
 path = require 'path'
 CSON = require 'season'
 fs = require 'fs-plus'
@@ -189,7 +187,7 @@ class ContextMenuManager
     menuTemplate = @templateForEvent(event)
 
     return unless menuTemplate?.length > 0
-    remote.getCurrentWindow().emit('context-menu', menuTemplate)
+    atom.getCurrentWindow().emit('context-menu', menuTemplate)
     return
 
   clear: ->

src/decoration.coffee

@@ -1,5 +1,4 @@
 _ = require 'underscore-plus'
-EmitterMixin = require('emissary').Emitter
 {Emitter} = require 'event-kit'
 Grim = require 'grim'
 
@@ -165,6 +164,7 @@ class Decoration
     null
 
 if Grim.includeDeprecations
+  EmitterMixin = require('emissary').Emitter
   EmitterMixin.includeInto(Decoration)
 
   Decoration::on = (eventName) ->

src/display-buffer.coffee

@@ -1,5 +1,4 @@
 _ = require 'underscore-plus'
-EmitterMixin = require('emissary').Emitter
 Serializable = require 'serializable'
 {Model} = require 'theorist'
 {CompositeDisposable, Emitter} = require 'event-kit'
@@ -1229,6 +1228,8 @@ class DisplayBuffer extends Model
     @foldsByMarkerId[marker.id]
 
 if Grim.includeDeprecations
+  EmitterMixin = require('emissary').Emitter
+
   DisplayBuffer::on = (eventName) ->
     switch eventName
       when 'changed'

src/marker.coffee

@@ -1,4 +1,3 @@
-{Range} = require 'text-buffer'
 _ = require 'underscore-plus'
 {CompositeDisposable, Emitter} = require 'event-kit'
 Grim = require 'grim'

src/pane.coffee

@@ -5,7 +5,6 @@ Serializable = require 'serializable'
 Grim = require 'grim'
 PaneAxis = require './pane-axis'
 TextEditor = require './text-editor'
-PaneView = null
 
 # Extended: A container for presenting content in the center of the workspace.
 # Panes can contain multiple items, one of which is *active* at a given time.