Removed the prologue form for FOR-AS-IN/ON.
Removed the prologue form for FOR-AS-IN/ON.

vtomole/SICL,vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL,clasp-developers/SICL