rm useless config set

Author: Mesh33

generic/Dockerfile-node8

@@ -44,7 +44,6 @@ RUN set -eux; \
     rm -r /etc/ssl/certs
 
 COPY --from=node_16 /certs /etc/ssl/certs
-RUN npm config set cafile /etc/ssl/certs/ca-certificates.crt
 
 # wkhtmltopdf image version
 FROM cubyn/wkhtmltopdf:${WKHTMLTOPDF_TAG} as wkhtmltopdf_src