[ELF] scanVersionScript: remove unused variable

lld/ELF/SymbolTable.cpp

@@ -261,7 +261,6 @@ void SymbolTable::scanVersionScript() {
   SmallString<128> buf;
   // First, we assign versions to exact matching symbols,
   // i.e. version definitions not containing any glob meta-characters.
-  std::vector<Symbol *> syms;
   for (VersionDefinition &v : config->versionDefinitions) {
     auto assignExact = [&](SymbolVersion pat, uint16_t id, StringRef ver) {
       bool found =