[clangd] Use llvm::erase_value (NFC)

Author: kazutakahirata

clang-tools-extra/clangd/SystemIncludeExtractor.cpp

@@ -376,8 +376,7 @@ extractSystemIncludesAndTarget(const DriverArgs &InputArgs,
     auto Path = llvm::StringRef(*BuiltinHeaders).trim();
     if (!Path.empty() && llvm::sys::path::is_absolute(Path)) {
       auto Size = Info->SystemIncludes.size();
-      llvm::erase_if(Info->SystemIncludes,
-                     [&](llvm::StringRef Entry) { return Path == Entry; });
+      llvm::erase_value(Info->SystemIncludes, Path);
       vlog("System includes extractor: builtin headers {0} {1}", Path,
            (Info->SystemIncludes.size() != Size)
                ? "excluded"