verifying grammar

src/runner.h

@@ -40,8 +40,6 @@ SymbolTable *cur;
 // int main(int argc, char* argv[]);
 char *is_tok(int argc, char *argv[]);
 // int is_alpha_file(char *file, int file_len);
-void enter_scope(int, int);
-void exit_scope(void);
 
 FILE *alpha_file;
 FILE *tok_flag = NULL;