Delete indent guides code from the presenter and the component

…because we're handling that behavior in `TextEditor` and `DisplayLayer`
now.

spec/text-editor-presenter-spec.coffee

@@ -1143,53 +1143,6 @@ describe "TextEditorPresenter", ->
           expectStateUpdate presenter, -> presenter.setScrollLeft(-300)
           expect(getState(presenter).content.scrollLeft).toBe 0
 
-      describe ".indentGuidesVisible", ->
-        it "is initialized based on the editor.showIndentGuide config setting", ->
-          presenter = buildPresenter()
-          expect(getState(presenter).content.indentGuidesVisible).toBe false
-
-          atom.config.set('editor.showIndentGuide', true)
-          presenter = buildPresenter()
-          expect(getState(presenter).content.indentGuidesVisible).toBe true
-
-        it "updates when the editor.showIndentGuide config setting changes", ->
-          presenter = buildPresenter()
-          expect(getState(presenter).content.indentGuidesVisible).toBe false
-
-          expectStateUpdate presenter, -> atom.config.set('editor.showIndentGuide', true)
-          expect(getState(presenter).content.indentGuidesVisible).toBe true
-
-          expectStateUpdate presenter, -> atom.config.set('editor.showIndentGuide', false)
-          expect(getState(presenter).content.indentGuidesVisible).toBe false
-
-        it "updates when the editor's grammar changes", ->
-          atom.config.set('editor.showIndentGuide', true, scopeSelector: ".source.js")
-
-          presenter = buildPresenter()
-          expect(getState(presenter).content.indentGuidesVisible).toBe false
-
-          stateUpdated = false
-          presenter.onDidUpdateState -> stateUpdated = true
-
-          waitsForPromise -> atom.packages.activatePackage('language-javascript')
-
-          runs ->
-            expect(stateUpdated).toBe true
-            expect(getState(presenter).content.indentGuidesVisible).toBe true
-
-            expectStateUpdate presenter, -> editor.setGrammar(atom.grammars.selectGrammar('.txt'))
-            expect(getState(presenter).content.indentGuidesVisible).toBe false
-
-        it "is always false when the editor is mini", ->
-          atom.config.set('editor.showIndentGuide', true)
-          editor.setMini(true)
-          presenter = buildPresenter()
-          expect(getState(presenter).content.indentGuidesVisible).toBe false
-          editor.setMini(false)
-          expect(getState(presenter).content.indentGuidesVisible).toBe true
-          editor.setMini(true)
-          expect(getState(presenter).content.indentGuidesVisible).toBe false
-
       describe ".backgroundColor", ->
         it "is assigned to ::backgroundColor unless the editor is mini", ->
           presenter = buildPresenter()

src/lines-component.coffee

@@ -43,7 +43,7 @@ class LinesComponent extends TiledComponent
     @domNode
 
   shouldRecreateAllTilesOnUpdate: ->
-    @oldState.indentGuidesVisible isnt @newState.indentGuidesVisible or @newState.continuousReflow
+    @newState.continuousReflow
 
   beforeUpdateSync: (state) ->
     if @newState.maxHeight isnt @oldState.maxHeight
@@ -70,8 +70,6 @@ class LinesComponent extends TiledComponent
 
     @cursorsComponent.updateSync(state)
 
-    @oldState.indentGuidesVisible = @newState.indentGuidesVisible
-
   buildComponentForTile: (id) -> new LinesTileComponent({id, @presenter, @domElementPool, @assert, @grammars})
 
   buildEmptyState: ->

src/lines-tile-component.coffee

@@ -68,13 +68,10 @@ class LinesTileComponent
       @oldTileState.top = @newTileState.top
       @oldTileState.left = @newTileState.left
 
-    @removeLineNodes() unless @oldState.indentGuidesVisible is @newState.indentGuidesVisible
     @updateLineNodes()
 
     @highlightsComponent.updateSync(@newTileState)
 
-    @oldState.indentGuidesVisible = @newState.indentGuidesVisible
-
   removeLineNodes: ->
     @removeLineNode(id) for id of @oldTileState.lines
     return

src/text-editor-presenter.coffee

@@ -175,7 +175,6 @@ class TextEditorPresenter
 
     @scrollPastEnd = @config.get('editor.scrollPastEnd', configParams)
     @showLineNumbers = @config.get('editor.showLineNumbers', configParams)
-    @showIndentGuide = @config.get('editor.showIndentGuide', configParams)
 
     if @configDisposables?
       @configDisposables?.dispose()
@@ -184,10 +183,6 @@ class TextEditorPresenter
     @configDisposables = new CompositeDisposable
     @disposables.add(@configDisposables)
 
-    @configDisposables.add @config.onDidChange 'editor.showIndentGuide', configParams, ({newValue}) =>
-      @showIndentGuide = newValue
-
-      @emitDidUpdateState()
     @configDisposables.add @config.onDidChange 'editor.scrollPastEnd', configParams, ({newValue}) =>
       @scrollPastEnd = newValue
       @updateScrollHeight()
@@ -295,7 +290,6 @@ class TextEditorPresenter
     @state.content.width = Math.max(@contentWidth + @verticalScrollbarWidth, @contentFrameWidth)
     @state.content.scrollWidth = @scrollWidth
     @state.content.scrollLeft = @scrollLeft
-    @state.content.indentGuidesVisible = not @model.isMini() and @showIndentGuide
     @state.content.backgroundColor = if @model.isMini() then null else @backgroundColor
     @state.content.placeholderText = if @model.isEmpty() then @model.getPlaceholderText() else null