remove executor.h 14/N

Summary: no more usage so can just delete

Differential Revision: D49279973

fbshipit-source-id: b89ec24ac7c054f9cf575d871968df06b3580a6d

Author: JacobSzwejbka

docs/website/docs/tutorials/aten_ops_and_aten_mode.md

@@ -128,7 +128,7 @@ In our Executorch binary target, add `add_lib` as a dependency:
 cxx_binary(
   name = "executorch_bin",
   deps = [
-    "//executorch/runtime/executor:executor", # Executor
+    "//executorch/runtime/executor:program", # Program and Method
     "//path/to:add_lib", # operator library
   ],
 )

runtime/executor/executor.cpp

@@ -89,26 +89,3 @@ def define_common_targets():
                 "@EXECUTORCH_CLIENTS",
             ],
         )
-
-        runtime.cxx_library(
-            name = "executor" + aten_suffix,
-            srcs = [
-                "executor.cpp",
-            ],
-            deps = [
-                "//executorch/runtime/core:core",
-                "//executorch/schema:program",
-            ],
-            exported_deps = [
-                "//executorch/runtime/platform:platform",
-                ":memory_manager",
-                ":program" + aten_suffix,
-            ],
-            exported_headers = [
-                "executor.h",
-            ],
-            visibility = [
-                "//executorch/exir/backend/test/demos/rpc/...",
-                "@EXECUTORCH_CLIENTS",
-            ],
-        )