busybox: remove two obsolete patches

They either work around missing implementations in uClibc 0.9.30 and
earlier and add already present functionality.

Closes #11210, #11211.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 35710

package/busybox/patches/244-udhcpc_add_6rd_option.patch

@@ -70,10 +70,11 @@
  /* really simple implementation, just count the bits */
  static int mton(uint32_t mask)
  {
-@@ -293,6 +311,70 @@ static NOINLINE char *xmalloc_optname_op
+@@ -292,6 +310,70 @@ static NOINLINE char *xmalloc_optname_op
+ 			}
  
  			return ret;
- 		}
++		}
 +		case OPTION_6RD: {
 +			/* Option binary format:
 +			 *  0                   1                   2                   3
@@ -137,7 +138,6 @@
 +			}
 +
 +			return ret;
-+		}
+ 		}
  #if ENABLE_FEATURE_UDHCP_RFC3397
  		case OPTION_DNS_STRING:
- 			/* unpack option into dest; use ret for prefix (i.e., "optname=") */

package/busybox/patches/480-mount_union.patch

@@ -1,29 +0,0 @@
---- a/util-linux/mount.c
-+++ b/util-linux/mount.c
-@@ -136,6 +136,10 @@
- # include <rpc/pmap_clnt.h>
- #endif
- 
-+#ifndef MS_UNION
-+#define MS_UNION	0x100   /* 256: Mount on top of a union */
-+#endif
-+
- 
- #if defined(__dietlibc__)
- // 16.12.2006, Sampo Kellomaki (sampo@iki.fi)
-@@ -254,6 +258,7 @@ static const int32_t mount_options[] = {
- 		/* "rslave"      */ MS_SLAVE|MS_RECURSIVE,
- 		/* "rprivate"    */ MS_PRIVATE|MS_RECURSIVE,
- 		/* "runbindable" */ MS_UNBINDABLE|MS_RECURSIVE,
-+		/* "union"       */ MS_UNION,
- 	)
- 
- 	// Always understood.
-@@ -310,6 +315,7 @@ static const char mount_option_str[] =
- 		"make-rslave\0"
- 		"make-rprivate\0"
- 		"make-runbindable\0"
-+		"make-union\0"
- 	)
- 
- 	// Always understood.

package/busybox/patches/803-id_getgrouplist.patch

@@ -1,49 +0,0 @@
-This patch disable supplementary groups handling in id with uClibc versions 
-prior to v0.9.30, which are lacking the 'getgrouplist' function.
-
-Signed-off-by: Nicolas Thill <nico@openwrt.org>
-
---- a/coreutils/id.c
-+++ b/coreutils/id.c
-@@ -63,10 +63,12 @@
- 
- /* This is a NOEXEC applet. Be very careful! */
- 
-+#define HAVE_GETGROUPLIST 1
-+
- #if !ENABLE_USE_BB_PWD_GRP
- #if defined(__UCLIBC_MAJOR__) && (__UCLIBC_MAJOR__ == 0)
- #if (__UCLIBC_MINOR__ < 9) || (__UCLIBC_MINOR__ == 9 &&  __UCLIBC_SUBLEVEL__ < 30)
--#error "Sorry, you need at least uClibc version 0.9.30 for id applet to build"
-+#undef HAVE_GETGROUPLIST
- #endif
- #endif
- #endif
-@@ -128,7 +130,11 @@ static int get_groups(const char *userna
- 		/* If the user is a member of more than
- 		 * *n groups, then -1 is returned. Otherwise >= 0.
- 		 * (and no defined way of detecting errors?!) */
-+#if HAVE_GETGROUPLIST
- 		m = getgrouplist(username, rgid, groups, n);
-+#else
-+		*n = -1;
-+#endif
- 		/* I guess *n < 0 might indicate error. Anyway,
- 		 * malloc'ing -1 bytes won't be good, so: */
- 		if (*n < 0)
-@@ -210,6 +216,7 @@ int id_main(int argc UNUSED_PARAM, char 
- 			if (egid != rgid)
- 				status |= print_group(egid, " ");
- 		}
-+#if HAVE_GETGROUPLIST
- 		/* We are supplying largish buffer, trying
- 		 * to not run get_groups() twice. That might be slow
- 		 * ("user database in remote SQL server" case) */
-@@ -236,6 +243,7 @@ int id_main(int argc UNUSED_PARAM, char 
- 		}
- 		if (ENABLE_FEATURE_CLEAN_UP)
- 			free(groups);
-+#endif
- #if ENABLE_SELINUX
- 		if (is_selinux_enabled()) {
- 			if (getcon(&scontext) == 0)