cmd/satellite: Remove curl from Dockerfile

Sadly the build process with this command is very, very flaky and often fails pulling down curl via apk.
As we currently do not need it anyway, it is safe to remove.

Change-Id: I8a396c560d61a7fe6324560152a68c07c6b31638

cmd/satellite/Dockerfile

@@ -28,5 +28,4 @@ COPY --from=ca-cert /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certifi
 COPY release/${TAG}/satellite_linux_${GOARCH:-amd64} /app/satellite
 COPY release/${TAG}/inspector_linux_${GOARCH:-amd64} /app/inspector
 COPY cmd/satellite/entrypoint /entrypoint
-RUN apk add --no-cache curl
 ENTRYPOINT ["/entrypoint"]