chore(mirrors): delete aliyun mirrors

Author: duanhongyi

grafana/rootfs/Dockerfile

@@ -2,8 +2,7 @@ FROM alpine:3.12
 
 COPY . /
 
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
-    && echo "https://mirrors.aliyun.com/alpine/edge/testing" >> /etc/apk/repositories \
+RUN echo "https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
     && apk add --update bash fontconfig curl grafana \
 	&& curl -fsSL -o /usr/share/grafana/envtpl https://github.com/arschles/envtpl/releases/download/0.2.3/envtpl_linux_amd64 \
 	&& chmod +x /usr/share/grafana/envtpl \

influxdb/rootfs/Dockerfile

@@ -2,8 +2,7 @@ FROM alpine:3.12
 
 COPY . /
 
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
-    && echo "https://mirrors.aliyun.com/alpine/edge/community" >> /etc/apk/repositories \
+RUN echo "https://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
     && apk add --update bash fontconfig curl influxdb \
     && curl -SL -o /home/influxdb/envtpl https://github.com/arschles/envtpl/releases/download/0.2.3/envtpl_linux_amd64 \
 	&& chmod +x /home/influxdb/envtpl \