Remove nil coalescing operator where right hand operand is literal nil

Author: otaviolima

Foundation/Bundle.swift

@@ -226,7 +226,7 @@ open class Bundle: NSObject {
     // MARK: - Path Resource Lookup - Class
 
     open class func path(forResource name: String?, ofType ext: String?, inDirectory bundlePath: String) -> String? {
-        return Bundle.url(forResource: name, withExtension: ext, subdirectory: bundlePath, in: URL(fileURLWithPath: bundlePath))?.path ?? nil
+        return Bundle.url(forResource: name, withExtension: ext, subdirectory: bundlePath, in: URL(fileURLWithPath: bundlePath))?.path
     }
 
     open class func paths(forResourcesOfType ext: String?, inDirectory bundlePath: String) -> [String] {

Foundation/NSString.swift

@@ -668,19 +668,19 @@ extension NSString {
 
     public func uppercased(with locale: Locale?) -> String {
         let mutableCopy = CFStringCreateMutableCopy(kCFAllocatorSystemDefault, 0, self._cfObject)!
-        CFStringUppercase(mutableCopy, locale?._cfObject ?? nil)
+        CFStringUppercase(mutableCopy, locale?._cfObject)
         return mutableCopy._swiftObject
     }
 
     public func lowercased(with locale: Locale?) -> String {
         let mutableCopy = CFStringCreateMutableCopy(kCFAllocatorSystemDefault, 0, self._cfObject)!
-        CFStringLowercase(mutableCopy, locale?._cfObject ?? nil)
+        CFStringLowercase(mutableCopy, locale?._cfObject)
         return mutableCopy._swiftObject
     }
 
     public func capitalized(with locale: Locale?) -> String {
         let mutableCopy = CFStringCreateMutableCopy(kCFAllocatorSystemDefault, 0, self._cfObject)!
-        CFStringCapitalize(mutableCopy, locale?._cfObject ?? nil)
+        CFStringCapitalize(mutableCopy, locale?._cfObject)
         return mutableCopy._swiftObject
     }