1. [mlir][openacc] Switch to assembly format for (details)
Commit 12ab4f8acadabdea1cc199e400c17543d213f5dd by clementval
[mlir][openacc] Switch to assembly format for

This patch remove the printer/parser for the operation since its syntax
fits nicely with the assembly format. It reduces the maintenance for this op.

Reviewed By: kiranchandramohan

Differential Revision:
The file was modifiedmlir/test/Dialect/OpenACC/ops.mlir
The file was modifiedmlir/include/mlir/Dialect/OpenACC/
The file was modifiedmlir/lib/Dialect/OpenACC/IR/OpenACC.cpp