build: don't update image prior to jq install (#5)

Author: iBotPeaches

Dockerfile

@@ -3,7 +3,6 @@ FROM amazon/aws-cli:2.11.4
 COPY deploy.sh /deploy.sh
 
 # Get tools needed for packaging
-RUN yum update -y && \
-    yum install -y jq && \
+RUN yum install -y jq && \
     yum clean all && \
     rm -rf /var/cache/yum