Remove unused code from TimelineTableView.

NetNewsWire/MainWindow/Timeline/TimelineTableView.swift

@@ -12,18 +12,18 @@ class TimelineTableView: NSTableView {
 	
 	@IBOutlet var keyboardDelegate: KeyboardDelegate!
 	
-	//MARK: NSResponder
+	// MARK: - NSResponder
 	
 	override func keyDown(with event: NSEvent) {
-
 		if keyboardDelegate.keydown(event, in: self) {
 			return
 		}
 		super.keyDown(with: event)
 	}
-	
+
+	// MARK: - NSView
+
 	override func viewWillStartLiveResize() {
-		
 		if let scrollView = self.enclosingScrollView {
 			scrollView.hasVerticalScroller = false
 		}
@@ -31,23 +31,9 @@ class TimelineTableView: NSTableView {
 	}
 	
 	override func viewDidEndLiveResize() {
-		
 		if let scrollView = self.enclosingScrollView {
 			scrollView.hasVerticalScroller = true
 		}
 		super.viewDidEndLiveResize()
 	}
-
-	func redrawGrid() {
-
-		guard let rowViews = visibleRowViews() else {
-			return
-		}
-
-		rowViews.forEach{ (rowView) in
-			if let rowView = rowView as? TimelineTableRowView {
-				rowView.invalidateGridRect()
-			}
-		}
-	}
 }