Revert "[mlir][SCF] Allow using a custom operation to generate loops with `mlir::tileUsingSCF`."#159598

MaheshRavishankar merged 1 commit intomainllvm/llvm-project:mainfrom

revert-159506-users/MaheshRavishankar/blockSparsellvm/llvm-project:revert-159506-users/MaheshRavishankar/blockSparseCopy head branch name to clipboard