fix: fix bug with customheadersoption, removed local test

Author: eliekozah

google/cloud/storage/tests/CMakeLists.txt

@@ -16,7 +16,6 @@
 
 set(storage_client_integration_tests
     # cmake-format : sort
-    elie_test.cc
     async_client_integration_test.cc
     auto_finalize_integration_test.cc
     bucket_integration_test.cc

google/cloud/storage/tests/storage_client_integration_tests.bzl

@@ -26,7 +26,6 @@ storage_client_integration_tests = [
     "curl_sign_blob_integration_test.cc",
     "decompressive_transcoding_integration_test.cc",
     "default_object_acl_integration_test.cc",
-    "elie_test.cc",
     "error_injection_integration_test.cc",
     "error_parsing_integration_test.cc",
     "grpc_bucket_metadata_integration_test.cc",