remove file_sync cases that no longer sync

Author: tyler-yankee

private/test/file_sync_test.py

@@ -41,10 +41,6 @@
         "drake_pip/LICENSE",
         "drake_poetry/LICENSE",
     ),
-    (
-        "drake_bazel_download/.github/ci_build_test",
-        "drake_bazel_external/.github/ci_build_test",
-    ),
     (
         "drake_bazel_external/.github/ubuntu_setup",
         "drake_cmake_external/.github/ubuntu_setup",
@@ -62,7 +58,6 @@
         ".bazelignore",
         ".bazelproject",
         ".clang-format",
-        ".github/ci_build_test",
         ".github/setup",
         ".github/ubuntu_setup",
         "BUILD.bazel",