Remove redundant typecast

Author: iamgabrielma

Yosemite/Yosemite/Tools/Media/MediaAssetExporter.swift

@@ -113,7 +113,7 @@ private extension MediaAssetExporter {
                 return nil
         }
         guard allowableFileExtensions.contains(fileExtensionForType) else {
-            return UTType.jpeg.identifier as String
+            return UTType.jpeg.identifier
         }
         return uti
     }

Yosemite/Yosemite/Tools/Media/MediaImageExporter.swift

@@ -76,7 +76,7 @@ final class MediaImageExporter: MediaExporter {
                              typeHint: String?,
                              onCompletion: @escaping MediaExportCompletion) {
         do {
-            let hint = typeHint ?? UTType.jpeg.identifier as String
+            let hint = typeHint ?? UTType.jpeg.identifier
             let sourceOptions: [String: Any] = [kCGImageSourceTypeIdentifierHint as String: hint as CFString]
             guard let source = CGImageSourceCreateWithData(data as CFData, sourceOptions as CFDictionary) else {
                 throw ImageExportError.imageSourceCreationWithDataFailed

Yosemite/YosemiteTests/Tools/Media/MediaImageExporterTests.swift

@@ -8,7 +8,7 @@ final class MediaImageExporterTests: XCTestCase {
         // Loads the test image into png data.
         let mockData = UIImage(named: "image", in: Bundle(for: type(of: self)), compatibleWith: nil)!.pngData()
         let filename = "test"
-        let typeHint = UTType.jpeg.identifier as String
+        let typeHint = UTType.jpeg.identifier
         let mockImageSourceWriter = MockImageSourceWriter()
         let exporter = MediaImageExporter(data: mockData!,
                                           filename: filename,
@@ -66,7 +66,7 @@ final class MediaImageExporterTests: XCTestCase {
     func testExportingNonImageData() {
         let mockData = Data()
         let filename = "test"
-        let typeHint = UTType.jpeg.identifier as String
+        let typeHint = UTType.jpeg.identifier
         let mockImageSourceWriter = MockImageSourceWriter()
         let exporter = MediaImageExporter(data: mockData,
                                           filename: filename,

Yosemite/YosemiteTests/Tools/Media/URL+MediaTests.swift

@@ -39,16 +39,16 @@ final class URL_MediaTests: XCTestCase {
 
     func testFileExtensionForJPEGType() {
         let expectedFileExtension = "jpeg"
-        XCTAssertEqual(URL.fileExtensionForUTType(UTType.jpeg.identifier as String), expectedFileExtension)
+        XCTAssertEqual(URL.fileExtensionForUTType(UTType.jpeg.identifier), expectedFileExtension)
     }
 
     func testFileExtensionForGIFType() {
         let expectedFileExtension = "gif"
-        XCTAssertEqual(URL.fileExtensionForUTType(UTType.gif.identifier as String), expectedFileExtension)
+        XCTAssertEqual(URL.fileExtensionForUTType(UTType.gif.identifier), expectedFileExtension)
     }
 
     func testFileExtensionForPNGType() {
         let expectedFileExtension = "png"
-        XCTAssertEqual(URL.fileExtensionForUTType(UTType.png.identifier as String), expectedFileExtension)
+        XCTAssertEqual(URL.fileExtensionForUTType(UTType.png.identifier), expectedFileExtension)
     }
 }