[11 - Antlr Builder] Add other changes

CC-Praxis-Antlr Parser fuer X-Leer/src/de/dhbw/compiler/antlrxparser/X.g

@@ -86,7 +86,6 @@ expr2:      expr3 (op='*' | op='/') expr    -> ^($op expr3 expr)
 expr3:      op='-' num=number               -> ^(UMINUS[op,"UMINUS"] $num)
             | number | STRINGCONST | '('! expr^ ')'!;
 
-// Conditions and comparison
 compOp:     '<' | '>' | '=';
 cond:       expr cond2;
 cond2:      compOp expr;