make: remove maketool support

@@ -108,11 +108,10 @@
 //      Boolean         make_state_locked; // Moved to lib/mksh
         Name            make_version;
         char            mbs_buffer2[(MAXPATHLEN * MB_LEN_MAX)];
         char            *mbs_ptr;
         char            *mbs_ptr2;
-        int             mtool_msgs_fd;
         Boolean         depinfo_already_read = false;
         Boolean         no_action_was_taken = true;     /* true if we've not **
                                                         ** run any command   */
 
         Boolean         no_parallel = false;

@@ -146,11 +145,10 @@
         Cmd_line        sccs_get_posix_rule;
         Name            get_name;
         Cmd_line        get_rule;
         Name            get_posix_name;
         Cmd_line        get_posix_rule;
-        Boolean         send_mtool_msgs;                /* `-K' */
         Boolean         all_precious;
         Boolean         silent_all;                     /* `-s' */
         Boolean         report_cwd;                     /* `-w' */
         Boolean         silent;                         /* `-s' */
         Name            silent_name;