[IR][unittests] Replace of PointerType::getUnqual(Type) with opaque version (NFC)#123901

junlarsen merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

junlarsen:jun/llvm-unittests-remove-unqual-with-typejunlarsen/llvm-project:jun/llvm-unittests-remove-unqual-with-typeCopy head branch name to clipboard