Remove the machine-id which cause nova-compute raise exception

Change-Id: I3cfb239e6f99e7079b2781b06550fa627fcb8998
Closes-Bug: #1539064

docker/nova/nova-compute/Dockerfile.j2

@@ -54,7 +54,8 @@ COPY nova_compute_sudoers /etc/sudoers.d/nova_compute_sudoers
 COPY extend_start.sh /usr/local/bin/kolla_extend_start
 RUN chmod 755 /usr/local/bin/kolla_extend_start \
     && chmod 750 /etc/sudoers.d \
-    && chmod 440 /etc/sudoers.d/nova_compute_sudoers
+    && chmod 440 /etc/sudoers.d/nova_compute_sudoers \
+    && rm -f /etc/machine-id
 
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