Unnecessary comments removed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/bigdecimal/bigdecimal.c

@@ -542,9 +542,6 @@ BigDecimal_sub(VALUE self, VALUE r)
 
 static VALUE
 BigDecimalCmp(VALUE self, VALUE r,char op)
-/*
- *  op: '=' 
- */
 {
     ENTER(5);
     S_INT e;