development: removed unneeded comments

Sources/iOS/Grid.swift

@@ -268,7 +268,6 @@ public struct Grid {
 /// A memory reference to the Grid instance for UIView extensions.
 fileprivate var GridKey: UInt8 = 0
 
-/// Grid extension for UIView.
 extension UIView {
     /// Grid reference.
     public var grid: Grid {

Sources/iOS/Material+CALayer.swift

@@ -94,10 +94,8 @@ fileprivate struct MaterialLayer {
     }
 }
 
-/// A memory reference to the MaterialLayer instance for CALayer extensions.
 fileprivate var MaterialLayerKey: UInt8 = 0
 
-/// Grid extension for UIView.
 extension CALayer {
     /// MaterialLayer Reference.
     fileprivate var materialLayer: MaterialLayer {
@@ -249,7 +247,6 @@ extension CALayer {
     }
 }
 
-/// Grid extension for UIView.
 extension CALayer {
     /**
      A method that accepts CAAnimation objects and executes them on the

Sources/iOS/Material+UIView.swift

@@ -30,7 +30,6 @@
 
 import UIKit
 
-/// Grid extension for UIView.
 extension UIView {
     /// A property that accesses the backing layer's masksToBounds.
     @IBInspectable

Sources/iOS/PageTabBarController.swift

@@ -54,7 +54,6 @@ public enum PageTabBarAlignment: Int {
     case bottom
 }
 
-/// Grid extension for UIView.
 extension UIViewController {
     /// Grid reference.
     public private(set) var pageTabBarItem: PageTabBarItem {