Remove temporary CPPLINT.cfg files

Temporary CPPLINT.cfg files were introduced when move libnativeloader
and libnativebridge under art/.

Bug: 141749154
Test: mm cpplint-art-all
Change-Id: I85e75180138a512aef025f1e5275e20d8d1d14b0
diff --git a/libnativeloader/utils.h b/libnativeloader/utils.h
index a1c2be5..9066e57 100644
--- a/libnativeloader/utils.h
+++ b/libnativeloader/utils.h
@@ -13,7 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#pragma once
+
+#ifndef ART_LIBNATIVELOADER_UTILS_H_
+#define ART_LIBNATIVELOADER_UTILS_H_
 
 namespace android::nativeloader {
 
@@ -24,3 +26,5 @@
 #endif
 
 }  // namespace android::nativeloader
+
+#endif  // ART_LIBNATIVELOADER_UTILS_H_