Remove unused code from hao.c

Also remove obsolete README.HAO which has been
superseded by html/hercinst.html#HAO

Makefile.am

@@ -566,7 +566,6 @@ EXTRA_DIST = autoconf/config.rpath \
              README.SVN            \
              README.DYNMOD         \
              README.ECPSVM         \
-             README.HAO            \
              README.HDL            \
              README.NETWORKING     \
              README.OSX            \

hao.c

@@ -628,41 +628,3 @@ DLL_EXPORT void hao_message(char *buf)
 
 #endif /* defined(OPTION_HAO) */
 
-///////////////////////////////////////////////////////////////////////////////
-// Fish notes for possible future enhancement: I was thinking we should
-// probably at some point support command rules that allow a custom
-// command to be constructed based on the string(s) that was/were found.
-
-#if 0
-    /*
-        The following demonstrates how the REG_NOTBOL flag could be used
-        with regexec() to find all substrings in a line that match a pattern
-        supplied by a user. (For simplicity of the example, very little
-        error checking is done.) 
-    */
-
-    regex_t     re;         /*  regular expression  */
-    regmatch_t  pm;         /*  match info          */
-    int         error;      /*  rc from regexec     */
-
-    char        buffer[]   =  "The quick brown dog jumps over the lazy fox";
-    char        pattern[]  =  "lazy";
-
-    /*  Compile the search pattern  */
-
-    (void)regcomp( &re, pattern, 0 );
-
-    /*  This call to regexec() finds the first match on the line  */
-
-    error = regexec( &re, &buffer[0], 1, &pm, 0 );
-
-    while (error == 0)      /* while matches found */
-    {
-        /*  Substring found between 'pm.rm_so' and 'pm.rm_eo'  */
-        /*  This call to regexec() finds the next match    */
-
-        error = regexec( &re, buffer + pm.rm_eo, 1, &pm, REG_NOTBOL );
-    }
-
-#endif
-///////////////////////////////////////////////////////////////////////////////