PE-7937: remove alpine image push

Author: akhilesh2410

Earthfile

@@ -186,8 +186,6 @@ BASE_ALPINE:
     COPY --if-exists certs/ /etc/ssl/certs/
     RUN update-ca-certificates
 
-    SAVE IMAGE --push gcr.io/spectro-dev-public/canvos/alpine:$ALPINE_TAG
-
 iso-image-rootfs:
     FROM --platform=linux/${ARCH} +iso-image
     SAVE ARTIFACT --keep-ts --keep-own /. rootfs