Drop after graphics/libdrm >= 2.4.134 update

--- meson.build.orig	2026-06-03 12:36:30 UTC
+++ meson.build
@@ -45,7 +45,7 @@ libdrm = dependency(
 #
 # We need to make sure we don't use any new libdrm functions, but those
 # are added very infrequently, so this is unlikely to be an issue.
-if libdrm.version().version_compare('<2.4.134')
+if libdrm.version().version_compare('<2.4.133')
   if libdrm.type_name() == 'internal'
     error('libdrm subproject out of date. Run `meson subprojects update`.')
   endif