Revert "Adds document for self certified network capabilities"

This reverts commit 75c7df1cab5550212f822c351333f5e232e4bb62.

Reason for revert: DroidMonitor-triggered revert due to breakage https://android-build.googleplex.com/builds/quarterdeck?branch=git_tm-mainline-prod&target=sdk_phone_x86_64-sdk&lkgb=9566659&lkbb=9569194&fkbb=9566666, bug 267986902
BUG: 267986902

Change-Id: Ic65c729f95920e73c11bcf0e3b83e4331a678055
1 file changed