Remove trailing spaces from Makefile lines

Author: rjhenry

Diff for: Makefile

@@ -13,13 +13,13 @@ build:
 	-t $(DOCKER_RELEASE_REG)/$(DOCKER_IMAGE_DEV):$(DOCKER_INTERNAL_TAG) \
 	--build-arg VCS_REF=$(DOCKER_INTERNAL_TAG) \
 	--build-arg BUILD_DATE=$(BUILD_DATE) \
-	--build-arg VCS_URL=$(VCS_URL) 
+	--build-arg VCS_URL=$(VCS_URL)
 
 push-dev:
 	docker push $(DOCKER_RELEASE_REG)/$(DOCKER_IMAGE_DEV):$(DOCKER_INTERNAL_TAG)
 
 pull:
-	docker pull $(DOCKER_RELEASE_REG)/$(DOCKER_IMAGE_DEV):$(DOCKER_INTERNAL_TAG) 
+	docker pull $(DOCKER_RELEASE_REG)/$(DOCKER_IMAGE_DEV):$(DOCKER_INTERNAL_TAG)
 
 release:
 	docker tag $(DOCKER_RELEASE_REG)/$(DOCKER_IMAGE_DEV):$(DOCKER_INTERNAL_TAG) $(DOCKER_RELEASE_REG)/$(DOCKER_IMAGE):$(DOCKER_RELEASE_TAG)
@@ -30,7 +30,7 @@ push-release:
 	docker push $(DOCKER_RELEASE_REG)/$(DOCKER_IMAGE):latest
 
 
-e2e: 
+e2e:
 	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker-compose -f docker-compose.test.yml up -d
 	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker-compose -f docker-compose.test.yml run --rm sut
 	@BOOKSTACK_IMAGE="$(DOCKER_RELEASE_REG)/${DOCKER_IMAGE_DEV}:${DOCKER_INTERNAL_TAG}" docker-compose -f docker-compose.test.yml down -v