* Batch matmul tuning running but with errors.

* Default x86 schedule as good as before.

* Code Cleanup

* Remove unused argument.

* improved template documentation.

* Silly lint fix

* Removed leftover comment.

* Moved cfg declaration to schedule for batch_matmul

* Moved x86 dense cfg declaration to schedule.

* lint fix

* Removed duplicate cfg declaration in dense.

* Reverted changes to dense.