Revert "WH_gcl:conditionalTense,anteriorAnt,negativePol_with_alltenses"

This reverts commit 7361c17db222a831a7f7f08f3dcf0b3eb07623b5.

Am I trying to revert a revert? Looks like it. Anyway, I want to use
only negativePol with present tense, at least for first deployments.
GF_style:# vim: set ts=8 sts=2 sw=2 noet:
GF_style:-- vim: set ts=8 sts=2 sw=2 noet:
TagQ    : NP -> VP -> QCl; Auxiliary    = Do ; -- | Be; lin: Isnt_he, oper tag: NP > VP -> {S : Str} case <(fromAgr subj.a).n, (fromAgr subj.a).g,Pos,Do> of <Sg,Fem,Pos,Do> .. <Pl,_,Neg,Do>. lin TagQ: CPos,CNeg => table { QDir => cl.s ODir; QIndir => nonExist }; lock_QCl