Update on "Remove ExecuTorch copy of Vectorized"

All uses are outside ExecuTorch core, so we can just use ATen Vectorized.

Differential Revision: [D66396016](https://our.internmc.facebook.com/intern/diff/D66396016/)

[ghstack-poisoned]

Author: swolchok

runtime/core/portable_type/c10/targets.bzl

@@ -67,7 +67,7 @@ def define_common_targets():
             # fbsource//third-party/sleef:sleef currently fails to
             # link with missing symbols, hence the fbcode-specific dep below.
         }),
-        fbcode_exported_deps = [
+        fbcode_exported_deps = ([
             "//caffe2:aten-headers-cpu",
             "//caffe2:generated-config-header",
             "//caffe2/c10/core:base_headers",
@@ -76,7 +76,7 @@ def define_common_targets():
             "ovr_config//cpu:x86_64": [
                 "third-party//sleef:sleef",
             ]
-        }),
+        })) if not runtime.is_oss else [],
         fbcode_exported_preprocessor_flags = [
             # We don't -DCPU_CAPABILITY=AVX2 because that trips
             # -Wmacro-redefined, and we only care about getting

shim/xplat/executorch/build/env_interface.bzl

@@ -119,7 +119,7 @@ def _remove_platform_specific_args(kwargs):
     keys = []
     for key in kwargs:
         if (key.endswith("_platform_preprocessor_flags") or key.endswith("_platform_deps") or
-            key.startswith("fbobjc") or key.endswith("_platform_compiler_flags")):
+            key.startswith("fbobjc") or key.endswith("_platform_compiler_flags") or key == "fbcode_exported_preprocessor_flags"):
             keys.append(key)
     for key in keys:
         kwargs.pop(key)