Revert "Annotate StringNetworkSpecifier @Deprecated and @removed"

This reverts commit e35bc815b66739b027c002479798173bb1b25972.

Reason for revert: <Build Cop Triage b/147918881>

Change-Id: I6c675a3a245b10d3a0e7f3ebd7d59cf11cff007a
3 files changed