fix(main_loop): no double echo

src/main.c

@@ -81,9 +81,6 @@ int main(int argc, char **argv)
         ast_print_dot(command_ast);
     }
 
-    // Call the executor with the AST
-    return_code = execution(command_ast);
-
     // Main parse-execute loop
     while (command_ast != NULL && command_ast->type != AST_END)
     {