Revert "Shell: Grant NETWORK_STACK permission for CTS"

This reverts commit 7df351b66fc2c5969fe1bbaa9734fe9f56a6f171.

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

Test: None
Bug: 150236894
Change-Id: I1f2b69320540731f6d3044f31e2bc999281f8342
Merged-In: I5b933fe6850ebd5b5f230c16722357ead4ec4286
(This change was merged internally first.)
1 file changed