Ports/mandoc: Remove obsolete patches

Since the creation of the port, we gained support for nanosleep(),
WSTOPSIG(), and the getopt family of functions is now available in
unistd.h.

Ports/mandoc/patches/add-charclass.patch

@@ -1,32 +0,0 @@
---- /dev/null	Mon Jan 20 00:15:16 2020
-+++ mandoc-1.14.5/charclass.h	Mon Jan 20 00:15:04 2020
-@@ -0,0 +1,29 @@
-+/*
-+ * Public domain, 2008, Todd C. Miller <millert@openbsd.org>
-+ *
-+ * $OpenBSD: charclass.h,v 1.2 2019/01/25 00:19:25 millert Exp $
-+ */
-+
-+/*
-+ * POSIX character class support for fnmatch() and glob().
-+ */
-+static struct cclass {
-+	const char *name;
-+	int (*isctype)(int);
-+} cclasses[] = {
-+	{ "alnum",	isalnum },
-+	{ "alpha",	isalpha },
-+	{ "blank",	isblank },
-+	{ "cntrl",	iscntrl },
-+	{ "digit",	isdigit },
-+	{ "graph",	isgraph },
-+	{ "lower",	islower },
-+	{ "print",	isprint },
-+	{ "punct",	ispunct },
-+	{ "space",	isspace },
-+	{ "upper",	isupper },
-+	{ "xdigit",	isxdigit },
-+	{ NULL,		NULL }
-+};
-+
-+#define NCCLASSES	(sizeof(cclasses) / sizeof(cclasses[0]) - 1)

Ports/mandoc/patches/fix-catman.patch

@@ -1,11 +0,0 @@
---- mandoc-1.14.5/catman.c.orig	Sun Jan 19 23:55:20 2020
-+++ mandoc-1.14.5/catman.c	Sun Jan 19 23:55:30 2020
-@@ -113,7 +113,7 @@
- 		if ((sz = sendmsg(fd, &msg, 0)) != -1 ||
- 		    errno != EAGAIN)
- 			break;
--		nanosleep(&timeout, NULL);
-+		sleep(1);
- 	}
- 	return sz;
- }

Ports/mandoc/patches/fix-demandoc.patch

@@ -1,10 +0,0 @@
---- mandoc-1.14.5/demandoc.c.orig	Mon Jan 20 00:18:29 2020
-+++ mandoc-1.14.5/demandoc.c	Mon Jan 20 00:18:39 2020
-@@ -30,6 +30,7 @@
- #include "man.h"
- #include "mdoc.h"
- #include "mandoc_parse.h"
-+#include "getopt.h"
- 
- static	void	 pline(int, int *, int *, int);
- static	void	 pman(const struct roff_node *, int *, int *, int);

Ports/mandoc/patches/fix-main.patch

@@ -8,14 +8,6 @@
  #if HAVE_SANDBOX_INIT
  #include <sandbox.h>
  #endif
-@@ -42,6 +41,7 @@
- #include <termios.h>
- #include <time.h>
- #include <unistd.h>
-+#include <getopt.h>
- 
- #include "mandoc_aux.h"
- #include "mandoc.h"
 @@ -54,6 +54,7 @@
  #include "main.h"
  #include "manconf.h"
@@ -24,20 +16,3 @@
  
  enum	outmode {
  	OUTMODE_DEF = 0,
-@@ -660,6 +661,7 @@
- 			if (!WIFSTOPPED(status))
- 				break;
- 
-+#define WSTOPSIG(x) 0
- 			signum = WSTOPSIG(status);
- 		}
- 		tag_unlink();
-@@ -1239,7 +1241,7 @@
- 	/* Do not start the pager before controlling the terminal. */
- 
- 	while (tcgetpgrp(STDOUT_FILENO) != getpid())
--		nanosleep(&timeout, NULL);
-+		sleep(1);
- 
- 	execvp(argv[0], argv);
- 	err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);

Ports/mandoc/patches/fix-mandocdb.patch

@@ -1,10 +0,0 @@
---- mandoc-1.14.5/mandocdb.c.orig	Sat Jan 25 20:18:09 2020
-+++ mandoc-1.14.5/mandocdb.c	Sat Jan 25 20:18:22 2020
-@@ -45,6 +45,7 @@
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
-+#include <getopt.h>
- 
- #include "mandoc_aux.h"
- #include "mandoc_ohash.h"

Ports/mandoc/patches/fix-soelim.patch

@@ -1,10 +0,0 @@
---- mandoc-1.14.5/soelim.c.orig	Mon Jan 20 00:18:44 2020
-+++ mandoc-1.14.5/soelim.c	Mon Jan 20 00:18:55 2020
-@@ -42,6 +42,7 @@
- #include "compat_stringlist.h"
- #endif
- #include <unistd.h>
-+#include "getopt.h"
- 
- #define C_OPTION 0x1
-