took tense linearizations apart from Common/Cat to Tense, for bettter structure of lib

lib/src/romance/CatRomance.gf

@@ -1,5 +1,4 @@
-incomplete concrete CatRomance of Cat = 
-  CommonX - [Temp,TTAnt,Tense,TPres,TPast,TFut,TCond] 
+incomplete concrete CatRomance of Cat = CommonX
   ** open Prelude, CommonRomance, ResRomance, (R = ParamX) in {
 
   flags optimize=all_subs ;
@@ -102,14 +101,8 @@ incomplete concrete CatRomance of Cat =
     PN = {s : Str ; g : Gender} ;
 
 -- tense augmented with passé simple
-
+  lincat
     Temp  = {s : Str ; t : RTense ; a : Anteriority} ;
     Tense = {s : Str ; t : RTense} ;
-  lin
-    TTAnt t a = {s = a.s ++ t.s ; a = a.a ; t = t.t} ;
-    TPres = {s = []} ** {t = RPres} ;
-    TPast = {s = []} ** {t = RPast} ;   --# notpresent
-    TFut  = {s = []} ** {t = RFut} ;    --# notpresent
-    TCond = {s = []} ** {t = RCond} ;   --# notpresent
 
 }