Remove FIXME comment about WIP.

This is the only line other than the function signature remaining
of the original patch.

llvm-svn: 335208

llvm/lib/MC/MCParser/ELFAsmParser.cpp

@@ -382,7 +382,6 @@ bool ELFAsmParser::ParseDirectivePopSection(StringRef, SMLoc) {
   return false;
 }
 
-// FIXME: This is a work in progress.
 bool ELFAsmParser::ParseDirectiveSection(StringRef, SMLoc loc) {
   return ParseSectionArguments(/*IsPush=*/false, loc);
 }