message: [Utility] Remove unused swift-specific code from Stream
diff: @@ -35,14 +35,6 @@ public:
  enum {
  eBinary = (1 << 0), ///< Get and put data as binary instead of as the default
  /// string mode.
  -// START SWIFT PATCH
  - eVerbose = (1 << 1), ///< If set, verbose logging is enabled
  - eDebug = (eVerbose << 1), ///< If set, debug logging is enabled
  - eAddPrefix = (eVerbose << 2), ///< Add number prefixes for binary, octal and hex
  - ///when eBinary is clear
  - eANSIColor = (eVerbose << 3), ///< If set, then it is ok to colorize the output
  - ///with ANSI escape sequences
  -// END SWIFT PATCH
  };
  /// Utility class for counting the bytes that were written to a stream in a
  