Get rid of old git submodule init calls. (#41)

src/common/Makefile

@@ -36,7 +36,7 @@ redis:
 	cd thirdparty ; bash ./build-redis.sh
 
 hiredis:
-	git submodule update --init --recursive -- "thirdparty/hiredis" ; cd thirdparty/hiredis ; make
+	cd thirdparty/hiredis ; make
 
 test: hiredis redis $(BUILD)/common_tests $(BUILD)/task_table_tests $(BUILD)/object_table_tests $(BUILD)/db_tests $(BUILD)/io_tests $(BUILD)/task_tests $(BUILD)/redis_tests FORCE
 	./thirdparty/redis-3.2.3/src/redis-server &

src/plasma/Makefile

@@ -32,7 +32,6 @@ $(BUILD)/example: plasma_client.c plasma.h example.c fling.h fling.c common
 	$(CC) $(CFLAGS) plasma_client.c example.c fling.c ../common/build/libcommon.a -o $(BUILD)/example
 
 common: FORCE
-	git submodule update --init --recursive
 	cd ../common; make
 
 # Set the request timeout low for testing purposes.