gstreamer, gst-plugins-good: revert patches merged into upstream.

Closes Homebrew/homebrew#46898.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/gst-plugins-good.rb

@@ -7,16 +7,6 @@ class GstPluginsGood < Formula
     sha256 "86d4b814099f7b7b16be19d4b94fa41002ac01fdf1525b07c5764d54c0605935"
 
     depends_on "check" => :optional
-
-    if MacOS.version < :lion
-      # Snow Leopard and below don't have strnlen()
-      # https://bugzilla.gnome.org/show_bug.cgi?id=756154
-      # http://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?id=fc203a4bd7eb1cecc0e17bcb7ec67e0672806867
-      patch do
-        url "https://bugzilla.gnome.org/attachment.cgi?id=313403&action=diff&context=patch&collapsed=&headers=1&format=raw"
-        sha256 "63a2f18683c967d321f42fcfca0c1d8e070b489ce8f8b08f3340c30c6903250d"
-      end
-    end
   end
 
   bottle do

Formula/gstreamer.rb

@@ -24,11 +24,6 @@ class Gstreamer < Formula
   depends_on "glib"
   depends_on "bison"
 
-  # Fix header file issue (exact OS versions affected unknown; first noticed on
-  # Snow Leopard)
-  # https://bugzilla.gnome.org/show_bug.cgi?id=756136
-  patch :DATA if MacOS.version <= :mountain_lion
-
   def install
     args = %W[
       --prefix=#{prefix}
@@ -63,16 +58,3 @@ class Gstreamer < Formula
     system bin/"gst-inspect-1.0"
   end
 end
-__END__
-diff --git a/libs/gst/helpers/gst-ptp-helper.c b/libs/gst/helpers/gst-ptp-helper.c
-index 6c753df..5642741 100644
---- a/libs/gst/helpers/gst-ptp-helper.c
-+++ b/libs/gst/helpers/gst-ptp-helper.c
-@@ -37,6 +37,7 @@
- #include <sys/types.h>
- #include <errno.h>
- #include <sys/ioctl.h>
-+#include <sys/socket.h>
- #include <net/if.h>
- #include <netinet/in.h>
- #include <string.h>