Revert fix for #3386, since it doesn't work correctly.

Compiler/FrontEnd/Lookup.mo

@@ -1333,8 +1333,6 @@ algorithm
             then ();
         end match;
         (cache,p_env,attr,ty,bind,cnstForRange,splicedExpData,componentEnv,name) = lookupVarInPackages(cache,env5,cref,prevFrames,inState);
-        // Add the class name to the spliced exp so that the name is correct.
-        splicedExpData = prefixSplicedExp(ComponentReference.crefFirstCref(inComponentRef), splicedExpData);
       then
         (cache,p_env,attr,ty,bind,cnstForRange,splicedExpData,componentEnv,name);
 
@@ -3199,26 +3197,5 @@ algorithm
   end matchcontinue;
 end isFunctionCallViaComponent;
 
-protected function prefixSplicedExp
-  "Prefixes a spliced exp that contains a cref with another cref."
-  input DAE.ComponentRef inCref;
-  input InstTypes.SplicedExpData inSplicedExp;
-  output InstTypes.SplicedExpData outSplicedExp;
-algorithm
-  outSplicedExp := match inSplicedExp
-    local
-      DAE.Type ety, ty;
-      DAE.ComponentRef cref;
-
-    case InstTypes.SPLICEDEXPDATA(SOME(DAE.CREF(cref, ety)), ty)
-      algorithm
-        cref := ComponentReference.joinCrefs(inCref, cref);
-      then
-        InstTypes.SPLICEDEXPDATA(SOME(DAE.CREF(cref, ety)), ty);
-
-    else inSplicedExp;
-  end match;
-end prefixSplicedExp;
-
 annotation(__OpenModelica_Interface="frontend");
 end Lookup;