mpv: remove unneeded option and patch

packages/mpv/build.sh

@@ -23,7 +23,6 @@ termux_step_make_install() {
 		--disable-lcms2 \
 		--enable-libarchive \
 		--enable-libmpv-shared \
-		--disable-libass \
 		--enable-lua \
 		--enable-pulse \
 		--enable-openal \

packages/mpv/main.c.patch

@@ -1,18 +0,0 @@
-We don't need a warning every time.
-
-diff -u -r ../mpv-0.19.0/player/main.c ./player/main.c
---- ../mpv-0.19.0/player/main.c	2016-08-15 10:10:59.000000000 -0400
-+++ ./player/main.c	2016-08-26 18:40:46.624646426 -0400
-@@ -455,10 +455,12 @@
-     }
- #endif
- 
-+#ifndef __ANDROID__
- #if !HAVE_LIBASS
-     MP_WARN(mpctx, "Compiled without libass.\n");
-     MP_WARN(mpctx, "There will be no OSD and no text subtitles.\n");
- #endif
-+#endif
- 
-     mpctx->osd = osd_create(mpctx->global);
-