Remove CPU support for partial_rowwise_adam (#1773)

Summary:
Pull Request resolved: #1773

This diff is a part of FBGEMM TBE optimizer deprecation plan (see
#1727)

Changes include:
- Setting `has_cpu_support` of `partial_rowwise_adam` to
  `False` in the code gen script
- Updating `codegen/TARGETS` and `CMakeLists.txt`

See D45835048 for how the changes affect the code generation

Reviewed By: q10, csmiler

Differential Revision: D45845400

fbshipit-source-id: a71da60fc084c11913702a871000ad9c9106d574

fbgemm_gpu/CMakeLists.txt

@@ -162,7 +162,6 @@ file(GLOB_RECURSE asmjit_sources
 
 set(COMMON_OPTIMIZERS
     adagrad
-    partial_rowwise_adam
     partial_rowwise_lamb
     rowwise_adagrad
     rowwise_adagrad_with_counter
@@ -175,6 +174,7 @@ set(CPU_ONLY_OPTIMIZERS "")
 set(GPU_ONLY_OPTIMIZERS
   adam
   lamb
+  partial_rowwise_adam
   lars_sgd
   rowwise_adagrad_with_weight_decay
   approx_rowwise_adagrad_with_weight_decay)

fbgemm_gpu/codegen/embedding_backward_code_generator.py

@@ -1337,7 +1337,7 @@ def partial_rowwise_adam() -> None:
         split_weight_update=split_weight_update,
         split_post_update="",
         split_weight_update_cpu=split_weight_update_cpu,
-        has_cpu_support=True,
+        has_cpu_support=False,
         has_gpu_support=True,
         has_vbe_support=False,
     )