Remove libtheora config.sub and config.guess workaround for ARM64.

Makefile

@@ -132,13 +132,6 @@ $(LIBTHEORA_FILE).tar.gz:
 
 $(LIBTHEORA_FILE)/configure: $(LIBTHEORA_FILE).tar.gz
 	tar xzf $(LIBTHEORA_FILE).tar.gz
-# Their config.guess and config.sub can't detect ARM64
-ifeq ($(ARCH),aarch64)
-	curl $(CURL_DOH_URL) -Lfo $(LIBTHEORA_FILE)/config.guess "https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD"
-	chmod u+x $(LIBTHEORA_FILE)/config.guess
-	curl $(CURL_DOH_URL) -Lfo $(LIBTHEORA_FILE)/config.sub "https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD"
-	chmod u+x $(LIBTHEORA_FILE)/config.sub
-endif
 	touch $(LIBTHEORA_FILE)/configure
 
 $(LIBTHEORA_FILE)/build/Makefile: $(LIBTHEORA_FILE)/configure installdir/lib/libogg.so