[clang-tools-extra] [clang-tidy][NFC] Enable `performance-unnecessary-value-param` in the codebase (PR #163686)

[Baranov Victor via cfe-commits]

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@@ -464,10 +464,9 @@ createOptionsProvider(llvm::IntrusiveRefCntPtr<vfs::FileSystem> FS) {
 }
 
 static llvm::IntrusiveRefCntPtr<vfs::FileSystem>
-getVfsFromFile(const std::string &OverlayFile,
-               llvm::IntrusiveRefCntPtr<vfs::FileSystem> BaseFS) {
+getVfsFromFile(const std::string &OverlayFile, vfs::FileSystem &BaseFS) {
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vbvictor wrote:

same question about `IntrusiveRefCntPtr` -> `&`

https://github.com/llvm/llvm-project/pull/163686