[CI] Remove -march for makefile nightly

Makefile

@@ -22,7 +22,7 @@ release:
 	$(CC) src/main.cpp $(DISABLED_WARNINGS) $(CFLAGS) -O3 -march=native $(LDFLAGS) -o odin
 
 nightly:
-	$(CC) src/main.cpp $(DISABLED_WARNINGS) $(CFLAGS) -DNIGHTLY -O3 -march=native $(LDFLAGS) -o odin
+	$(CC) src/main.cpp $(DISABLED_WARNINGS) $(CFLAGS) -DNIGHTLY -O3 $(LDFLAGS) -o odin