remove oss

Summary:
X-link: facebookresearch/generative-recommenders#163

Still keeps hammer/oss/generative_recommenders/ops/cpp for predictor bc.

App layer overlay update in D67013789

Reviewed By: xing-liu

Differential Revision: D66943707

fbshipit-source-id: a67e7fdb6423be59c7817b29b991896c3479ddad

tritonbench/operators/gemm/operator.py

@@ -41,7 +41,7 @@
 )
 
 if IS_FBCODE:
-    import hammer.oss.generative_recommenders.ops.triton.triton_addmm as hstu_triton_addmm
+    import generative_recommenders.ops.triton.triton_addmm as hstu_triton_addmm
 
     # without this set we can only pick a single config for AMD, Nvidia has 8
     # with this set AMD will pick from 256 different configs (not the actual full