Remove description and debugDescription

Extensions can add new functionality to a type, but they cannot
override existing functionality.

HEXColor/UIColorExtension.swift

@@ -138,12 +138,4 @@ extension UIColor {
             return String(format: "#%02X%02X%02X", Int(r * 255), Int(g * 255), Int(b * 255))
         }
     }
-
-    public override var description: String {
-        return self.hexString(true)
-    }
-
-    public override var debugDescription: String {
-        return self.hexString(true)
-    }
 }

HEXColorTests/HEXColorTests.swift

@@ -293,21 +293,14 @@ class HEXColorTests: XCTestCase {
         XCTAssertEqual("#AABBCCDD", hexColor.hexString(true))
     }
 
-    // MARK: - Desc
-
-    func testDesc() {
-        let color = UIColor(red: CGFloat(0x22 / 255.0), green: CGFloat(0x44 / 255.0), blue: CGFloat(0x66 / 255.0), alpha: CGFloat(0x88 / 255.0))
-        XCTAssertEqual("#22446688", color.description)
-        XCTAssertEqual("#22446688", color.debugDescription)
-
-        let hexColor = UIColor(rgba: "#AABBCCDD", defaultColor: UIColor.yellowColor());
-        XCTAssertEqual("#AABBCCDD", hexColor.description)
-        XCTAssertEqual("#AABBCCDD", hexColor.debugDescription)
-    }
-
 }
 
 extension UIColor {
+    private func toUInt8(value: CGFloat) -> UInt8 {
+        let multiplier = CGFloat(255)
+        return UInt8(value * multiplier)
+    }
+
     private func rgba() -> (red: UInt8, green: UInt8, blue: UInt8, alpha: UInt8) {
         var red: CGFloat = 0
         var green: CGFloat = 0
@@ -317,8 +310,3 @@ extension UIColor {
         return (toUInt8(red), toUInt8(green), toUInt8(blue), toUInt8(alpha))
     }
 }
-
-private func toUInt8(value: CGFloat) -> UInt8 {
-    let multiplier = CGFloat(255)
-    return UInt8(value * multiplier)
-}