Revert changes on images unrelated to the PR branch.

Author: jaclync

WooCommerce/Classes/Extensions/UIImage+Woo.swift

@@ -13,12 +13,6 @@ extension UIImage {
         return UIImage.gridicon(.addOutline)
     }
 
-    /// Alarm Bell Ring Image
-    ///
-    static var alarmBellRingImage: UIImage {
-        return UIImage(named: "icon-alarm-bell-ring")!
-    }
-
     /// Arrow Up Icon
     ///
     static var arrowUp: UIImage {
@@ -31,12 +25,6 @@ extension UIImage {
         return UIImage.gridicon(.alignJustify)
     }
 
-    /// Analytics Image
-    ///
-    static var analyticsImage: UIImage {
-        return UIImage(named: "icon-analytics")!
-    }
-
     /// Notice Icon
     ///
     static var noticeImage: UIImage {
@@ -744,12 +732,6 @@ extension UIImage {
         return UIImage(imageLiteralResourceName: "megaphone").imageFlippedForRightToLeftLayoutDirection()
     }
 
-    /// Multiple Users Image
-    ///
-    static var multipleUsersImage: UIImage {
-        return UIImage(named: "icon-multiple-users")!
-    }
-
     /// Error image
     ///
     static var errorImage: UIImage {