Removed conversions for memalloc, find-package, find-class, find-symbol.
Removed conversions for memalloc, find-package, find-class, find-symbol.

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