media-video/obs-studio: remove unused patch

Signed-off-by: Jimi Huotari <chiitoo@gentoo.org>

media-video/obs-studio/files/obs-studio-31.0.0-libx11-link.patch

@@ -1,28 +0,0 @@
-- https://bugs.gentoo.org/946057
-- https://github.com/obsproject/obs-studio/issues/11667
-
-From 428142d7022989af61a684a680e2d6ecc5b7ca8a Mon Sep 17 00:00:00 2001
-From: Kurt Kartaltepe <kkartaltepe@gmail.com>
-Date: Tue, 24 Dec 2024 10:22:40 -0800
-Subject: [PATCH] libobs: Fix underlinking by adding libx11
-
-We directly depend on libx11 for various operations in obs-nix-x11.c,
-not just xcb. So be sure to link it in too.
-
-fixes #11667
----
- libobs/cmake/os-linux.cmake | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/libobs/cmake/os-linux.cmake b/libobs/cmake/os-linux.cmake
-index 317e75cab0c1dd..1af874f4f1fefe 100644
---- a/libobs/cmake/os-linux.cmake
-+++ b/libobs/cmake/os-linux.cmake
-@@ -47,6 +47,7 @@ endif()
- target_link_libraries(
-   libobs
-   PRIVATE
-+    X11::X11
-     X11::x11-xcb
-     xcb::xcb
-     LibUUID::LibUUID