[NFC][lldb] fix extra line after documentation (llvm#149482)

Formatting patch which removes an extra line after a docstring.

Author: charles-zablit

lldb/include/lldb/Utility/Stream.h

@@ -270,7 +270,6 @@ class Stream {
   /// \param[in] suffix
   ///     The ANSI color code to end colorization. This is
   ///     environment-dependent.
-
   void PutCStringColorHighlighted(
       llvm::StringRef text,
       std::optional<HighlightSettings> settings = std::nullopt);