remove -O3 flag, CFLAGS is already set

--- src/osc-bridge/Makefile.orig	Wed Mar 10 14:34:30 2021
+++ src/osc-bridge/Makefile	Wed Mar 10 14:34:43 2021
@@ -10,7 +10,7 @@ remote-test: $(SRC) test/basic-remote.c
 	$(CC) $(CFLAGS) $(CFLAGS_) -o remote-test $(SRC) test/basic-remote.c -luv -g -O0
 
 lib: $(SRC)
-	$(CC) $(CFLAGS) $(CFLAGS_) -O3 -g -fPIC -c $(SRC)
+	$(CC) $(CFLAGS) $(CFLAGS_) -g -fPIC -c $(SRC)
 	$(AR) rcs libosc-bridge.a bridge.o cache.o parse-schema.o schema.o rtosc.o
 
 clean: