update usage

Author: jathu

CMakeLists.txt

@@ -811,7 +811,6 @@ if(EXECUTORCH_BUILD_PYBIND)
 
   if(EXECUTORCH_BUILD_COREML)
     list(APPEND _dep_libs coremldelegate)
-    list(APPEND _dep_libs coreml_inmemoryfs_pybinding)
   endif()
 
   if(EXECUTORCH_BUILD_MPS)
@@ -936,7 +935,6 @@ if(EXECUTORCH_BUILD_EXECUTOR_RUNNER)
 
   if(EXECUTORCH_BUILD_COREML)
     list(APPEND _executor_runner_libs coremldelegate)
-    list(APPEND _executor_runner_libs coreml_inmemoryfs_pybinding)
   endif()
 
   add_executable(executor_runner ${_executor_runner__srcs})

setup.py

@@ -139,10 +139,6 @@ def mps(cls) -> bool:
     def xnnpack(cls) -> bool:
         return cls._is_cmake_arg_enabled("EXECUTORCH_BUILD_XNNPACK", default=False)
 
-    @classmethod
-    def coreml(cls) -> bool:
-        return cls._is_env_enabled("EXECUTORCH_BUILD_COREML", default=False)
-
     @classmethod
     def training(cls) -> bool:
         return cls._is_cmake_arg_enabled(
@@ -847,15 +843,6 @@ def get_ext_modules() -> List[Extension]:
             ]
         )
 
-    if ShouldBuild.pybindings() or ShouldBuild.coreml():
-        ext_modules.append(
-            BuiltExtension(
-                src="coreml_inmemoryfs_pybinding.*",
-                src_dir="backends/apple/coreml",
-                modpath="executorch.backends.apple.coreml.inmemoryfs",
-            )
-        )
-
     if ShouldBuild.pybindings():
         ext_modules.append(
             # Install the prebuilt pybindings extension wrapper for the runtime,