Get rid of broken %no-parser, -n, and --no-parser implementation and

documentation.
* TODO: Don't mention them.
* doc/bison.1: Likewise.
* doc/bison.texinfo (Decl Summary): Likewise.
(Bison Options): Likewise.
(Option Cross Key): Likewise.
* src/getargs.c (no_parser_flag): Remove global variable.
(usage): Don't print description of -n and --no-parser.
(long_options): Remove --no-parser entry here.
(getargs): Remove -n case in the switch here.
* src/getargs.h (no_parser_flag): Remove extern.
* tests/regression.at (Web2c Actions): Remove comment that mentions
--no-parser.

src/getargs.c

@@ -52,7 +52,6 @@ bool defines_flag;
 bool graph_flag;
 bool locations_flag;
 bool no_lines_flag;
-bool no_parser_flag;
 bool token_table_flag;
 bool yacc_flag;	/* for -y */
 
@@ -276,7 +275,6 @@ Parser:\n\
       --locations            enable locations computation\n\
   -p, --name-prefix=PREFIX   prepend PREFIX to the external symbols\n\
   -l, --no-lines             don't generate `#line' directives\n\
-  -n, --no-parser            generate the tables only\n\
   -k, --token-table          include a table of token names\n\
 \n\
 "), stdout);
@@ -434,7 +432,6 @@ static struct option const long_options[] =
   { "debug",	      no_argument,               0,   't' },
   { "locations",      no_argument,		 0, LOCATIONS_OPTION },
   { "no-lines",       no_argument,               0,   'l' },
-  { "no-parser",      no_argument,               0,   'n' },
   { "raw",            no_argument,               0,     0 },
   { "skeleton",       required_argument,         0,   'S' },
   { "language",       required_argument,         0,   'L' },
@@ -505,10 +502,6 @@ getargs (int argc, char *argv[])
 	no_lines_flag = true;
 	break;
 
-      case 'n':
-	no_parser_flag = true;
-	break;
-
       case 'o':
 	spec_outfile = AS_FILE_NAME (optarg);
 	break;

src/getargs.h

@@ -40,7 +40,6 @@ extern bool defines_flag;		/* for -d */
 extern bool graph_flag;			/* for -g */
 extern bool locations_flag;
 extern bool no_lines_flag;		/* for -l */
-extern bool no_parser_flag;		/* for -n */
 extern bool token_table_flag;		/* for -k */
 extern bool yacc_flag;			/* for -y */