remove gstatus from Dockerfile

Author: NouemanKHAL

glusterfs/tests/docker/Dockerfile

@@ -7,12 +7,4 @@ FROM gluster/gluster-centos:latest
 # Updates the yum repo endpoints:
 RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo && \
     sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo && \
-    sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo
-
-# Install Python 3
-RUN yum install -y python3 && yum clean all
-
-# Download the gstatus binary
-RUN curl -LO https://github.com/gluster/gstatus/releases/download/v1.0.5/gstatus \
-    && chmod +x ./gstatus \
-    && mv ./gstatus /usr/local/bin/gstatus
+    sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo