Switch log level control from runtime to compile time

example/soap/calc_client/main.cc

@@ -3,7 +3,7 @@
 #include "calc_client.h"
 
 int main() {
-  LOG_INIT(webcc::VERB, 0);
+  LOG_INIT(0);
 
   CalcClient calc;
 

example/soap/calc_server/main.cc

@@ -17,7 +17,7 @@ int main(int argc, char* argv[]) {
     return 1;
   }
 
-  LOG_INIT(webcc::INFO, 0);
+  LOG_INIT(0);
 
   unsigned short port = std::atoi(argv[1]);