Changed code signing identity to revered "iPhone Developer". Fixes Carthage build issues.

CryptoSwift.xcodeproj/project.pbxproj

@@ -553,7 +553,7 @@
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -600,7 +600,7 @@
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution";
+				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = YES;
 				CURRENT_PROJECT_VERSION = 1;
 				ENABLE_NS_ASSERTIONS = NO;