refactor: Remove added zlib.h import in server.cpp

Author: libmartinito

starter_templates/cpp/src/server.cpp

@@ -7,7 +7,6 @@
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include <netdb.h>
-#include <zlib.h>
 
 int main(int argc, char **argv) {
   // Flush after every std::cout / std::cerr