Revert "test"

This reverts commit 1cafd95.

Author: yamt

samples/wasm-c-api/src/callback_chain.c

@@ -156,12 +156,9 @@ call_wasm_function(uint32_t export_id, const wasm_val_vec_t *args,
     return true;
 }
 
-#include "bh_platform.h"
-
 int
 main(int argc, const char *argv[])
 {
-    bh_log_set_verbose_level(5);
     // Initialize.
     printf("Initializing...\n");
     wasm_engine_t *engine = wasm_engine_new();