Copy library instead of building it directly

lib/Makefile

@@ -79,11 +79,6 @@ $(OUTPUT_DIR)/%.o: $$(subst !super,..,%.s)
 	@mkdir -p $(dir $@)
 	$(CC) $(ARCHFLAGS) -I$(PCSX_REDUX) -g -c -o $@ $<
 
-#Linking rule
-$(TARGET).a: $(OBJS)
-	@mkdir -p $(dir $@)
-	$(AR) rcs $(TARGET).a $(OBJS)
-
 $(TARGET).elf: $(OBJS)
 	$(LD) -o $(TARGET).elf $(LDFLAGS_all) $(LDFLAGS) $(OBJS) $(LIBS_all) $(LIBS)