Remove unneeded --no-cache option when calling podman (#516)

Signed-off-by: Caleb Xu <[email protected]>

Author: caxu-rh

Makefile

@@ -70,10 +70,7 @@ test:
 # If IMAGE_TAG is not provided, use the COMMIT_ID
 .PHONY: build-image
 build-image:
-	# TODO: Adding --no-cache option as a workaround to https://github.com/containers/buildah/issues/4632
-	# This can be removed as soon as we can ensure that the ubuntu-latest runner image uses podman=>4.6.0
 	$(IMAGE_BUILDER) build \
-		--no-cache \
 		--label quay.expires-after=$(QUAY_EXPIRE_AFTER) \
 		-t $(IMAGE_REPO)/chart-verifier:$(IMAGE_TAG) .