fix: revert: exclude aznfs package from installed packages list (#1675)

Reverts #1667
It was a workaround for an issue that was fixed:
microsoft/azurelinux#13971 (comment)

Author: alexcastilio

shell/Dockerfile

@@ -23,7 +23,6 @@ RUN tdnf install -y \
 	socat \
 	tcpdump \
 	wget \
-	--exclude=aznfs \
 	&& tdnf clean all
 
 CMD ["/bin/bash", "-l"]