Removed constructor for lexical variable entry, now provided by Cleavir.
Removed constructor for lexical variable entry, now provided by Cleavir.

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