Revert "Shell: Grant NETWORK_STACK permission for CTS"

This reverts commit 8d14f5162af88c3ce4c6047c998c48974b33bb2f.

Bug: 150236894
Reason for revert: It is not appropriate from a security perspective for the shell to have this permission.

Change-Id: I5b933fe6850ebd5b5f230c16722357ead4ec4286
1 file changed