[chore](build) Use include-what-you-use to optimize includes (PART III) (#18958)

Currently, there are some useless includes in the codebase. We can use a tool named include-what-you-use to optimize these includes. By using a strict include-what-you-use policy, we can get lots of benefits from it.

be/test/runtime/user_function_cache_test.cpp

@@ -16,15 +16,3 @@
 // under the License.
 
 #include "runtime/user_function_cache.h"
-
-#include <gtest/gtest.h>
-
-#include <cstdio>
-#include <cstdlib>
-
-#include "common/logging.h"
-#include "http/ev_http_server.h"
-#include "http/http_channel.h"
-#include "http/http_handler.h"
-#include "http/http_request.h"
-#include "util/md5.h"