Remove cpp model in v0.14 due to deprecation

setup.py

@@ -140,8 +140,6 @@ def get_extensions():
     )
 
     print("Compiling extensions with following flags:")
-    compile_cpp_tests = os.getenv("WITH_CPP_MODELS_TEST", "0") == "1"
-    print(f"  WITH_CPP_MODELS_TEST: {compile_cpp_tests}")
     force_cuda = os.getenv("FORCE_CUDA", "0") == "1"
     print(f"  FORCE_CUDA: {force_cuda}")
     debug_mode = os.getenv("DEBUG", "0") == "1"
@@ -189,18 +187,6 @@ def get_extensions():
     sources = main_file + source_cpu
     extension = CppExtension
 
-    if compile_cpp_tests:
-        print("Compiling CPP tests")
-        test_dir = os.path.join(this_dir, "test")
-        models_dir = os.path.join(this_dir, "torchvision", "csrc", "models")
-        test_file = glob.glob(os.path.join(test_dir, "*.cpp"))
-        source_models = glob.glob(os.path.join(models_dir, "*.cpp"))
-
-        test_file = [os.path.join(test_dir, s) for s in test_file]
-        source_models = [os.path.join(models_dir, s) for s in source_models]
-        tests = test_file + source_models
-        tests_include_dirs = [test_dir, models_dir]
-
     define_macros = []
 
     extra_compile_args = {"cxx": []}
@@ -247,16 +233,6 @@ def get_extensions():
             extra_compile_args=extra_compile_args,
         )
     ]
-    if compile_cpp_tests:
-        ext_modules.append(
-            extension(
-                "torchvision._C_tests",
-                tests,
-                include_dirs=tests_include_dirs,
-                define_macros=define_macros,
-                extra_compile_args=extra_compile_args,
-            )
-        )
 
     # ------------------- Torchvision extra extensions ------------------------
     vision_include = os.environ.get("TORCHVISION_INCLUDE", None)