Move string extension method to the right place.

Clocker/ClockerUnitTests/ClockerUnitTests.swift

@@ -440,5 +440,4 @@ class ClockerUnitTests: XCTestCase {
         XCTAssertNil(defaults?.object(forKey: "test1"))
         XCTAssertNil(defaults?.object(forKey: "test2"))
     }
-    
 }

Clocker/Overall App/AppDefaults.swift

@@ -51,12 +51,6 @@ class AppDefaults {
     }
 }
 
-extension String {
-    func localized() -> String {
-        return NSLocalizedString(self, comment: "Title for \(self)")
-    }
-}
-
 extension UserDefaults {
     // Use this with caution. Exposing this for debugging purposes only.
     func wipe(for bundleID: String) {

Clocker/Overall App/String + Additions.swift

@@ -14,4 +14,8 @@ extension String {
 
         return filteredAddress
     }
+
+    func localized() -> String {
+        return NSLocalizedString(self, comment: "Title for \(self)")
+    }
 }