osxbundle: config file special case isn't needed anymore

The previous commit effectively fixes the mess caused by 'config' vs.
'mpv.conf', and the hack introduced by commit e01a6dac and extended by
commit db167cd4 isn't needed anymore.

(cherry picked from commit 816d7bba1f)

player/configfiles.c

@@ -84,12 +84,6 @@ void mp_parse_cfgfiles(struct MPContext *mpctx)
     talloc_free(cf);
 #endif
 
-    // Stupid hack to set OSX bundle defaults, if applicable. (The file is only
-    // found if starting from the OSX bundle.)
-#if HAVE_COCOA
-    load_all_cfgfiles(mpctx, section, "osx-bundle.conf");
-#endif
-
     load_all_cfgfiles(mpctx, section, "mpv.conf|config");
 
     if (encoding)