[clang-format][NFC] Drop a redundant clang::format::

Author: owenca

clang/lib/Format/UnwrappedLineParser.cpp

@@ -3385,7 +3385,7 @@ void UnwrappedLineParser::parseAccessSpecifier() {
 /// \brief Parses a requires, decides if it is a clause or an expression.
 /// \pre The current token has to be the requires keyword.
 /// \returns true if it parsed a clause.
-bool clang::format::UnwrappedLineParser::parseRequires() {
+bool UnwrappedLineParser::parseRequires() {
   assert(FormatTok->is(tok::kw_requires) && "'requires' expected");
   auto RequiresToken = FormatTok;