Clean up buck targets

Differential Revision: D70131772

Pull Request resolved: #8655

Author: lucylq

extension/flat_tensor/targets.bzl

@@ -8,7 +8,6 @@ def define_common_targets():
         ],
         exported_headers = ["flat_tensor_data_map.h"],
         deps = [
-            "//executorch/extension/flat_tensor/serialize:generated_headers",
             "//executorch/runtime/core:core",
             "//executorch/runtime/core:evalue",
             "//executorch/runtime/core:named_data_map",
@@ -17,6 +16,7 @@ def define_common_targets():
         ],
         exported_deps = [
             "//executorch/extension/flat_tensor/serialize:flat_tensor_header",
+            "//executorch/extension/flat_tensor/serialize:generated_headers",
         ],
         visibility = [
             "//executorch/...",

extension/flat_tensor/test/targets.bzl

@@ -47,9 +47,6 @@ def define_common_targets(is_fbcode=False):
             deps = [
                 "//executorch/extension/data_loader:file_data_loader",
                 "//executorch/extension/flat_tensor:flat_tensor_data_map",
-                "//executorch/extension/flat_tensor/serialize:flat_tensor_header",
-                "//executorch/extension/flat_tensor/serialize:generated_headers",
-                "//executorch/extension/flat_tensor/serialize:schema",
                 "//executorch/runtime/core:named_data_map",
                 "//executorch/runtime/core/exec_aten:lib",
             ],