Revert "[mlir][gpu] Fallback to JIT compilation" "[mlir][gpu] Increase default...

Revert "[mlir][gpu] Fallback to JIT compilation" "[mlir][gpu] Increase default SM version from 35 to 50" and  "[mlir][gpu] Improving Cubin Serialization with ptxas Compiler"

This reverts commit 2e0e00ed
and reverts commit a6eb4069
and reverts commit 585cbe3f.

15 tests are broken on the mlir-nvidia buildbot:

'cuModuleLoadData(&module, data)' failed with 'CUDA_ERROR_INVALID_SOURCE'
'cuModuleGetFunction(&function, module, name)' failed with 'CUDA_ERROR_INVALID_HANDLE'
'cuLaunchKernel(function, gridX, gridY, gridZ, blockX, blockY, blockZ, smem, stream, params, extra)' failed with 'CUDA_ERROR_INVALID_HANDLE'
'cuModuleUnload(module)' failed with 'CUDA_ERROR_INVALID_HANDLE'