stethoscope: removed dead code
stethoscope: removed dead code

Triggered by icc complaining about set but not used variables:
Removed dead code left over from cut-&-paste from mclient.c;
stethoscope has no "--language" command line option,
and consequently does not need any code handling it.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb