Switch log level control from runtime to compile time

example/rest/book_async_client/main.cc

@@ -101,7 +101,7 @@ int main(int argc, char* argv[]) {
     return 1;
   }
 
-  LOG_INIT(webcc::ERRO, 0);
+  LOG_INIT(0);
 
   std::string host = argv[1];
   std::string port = argv[2];

example/rest/book_client/main.cc

@@ -160,7 +160,7 @@ int main(int argc, char* argv[]) {
     return 1;
   }
 
-  LOG_INIT(webcc::VERB, 0);
+  LOG_INIT(0);
 
   std::string host = argv[1];
   std::string port = argv[2];

example/rest/book_server/main.cc

@@ -21,7 +21,7 @@ int main(int argc, char* argv[]) {
     return 1;
   }
 
-  LOG_INIT(webcc::VERB, 0);
+  LOG_INIT(0);
 
   unsigned short port = std::atoi(argv[1]);