test=develop, remove the gflags/gflags.h form paddle_api.h (#24921)

paddle/fluid/inference/api/api.cc

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 #include <sstream>
+#include "gflags/gflags.h"
 #include "paddle/fluid/framework/commit.h"
 #include "paddle/fluid/framework/lod_tensor.h"
 #include "paddle/fluid/framework/scope.h"

paddle/fluid/inference/api/paddle_api.h

@@ -27,7 +27,6 @@
 #include <memory>
 #include <string>
 #include <vector>
-#include "gflags/gflags.h"         // NOLINT
 #include "paddle_infer_declare.h"  // NOLINT
 
 /*! \namespace paddle