Revert "Add :returns('Int') to the integer action, so that we get Int…

…s instead of Integers."

"It just seems like we should be consistent (somewhat) and if most Int operations are going to return Integers, there's no sense in making one exception to the rule."

This reverts commit d71e295.

src/Perl6/Actions.pm

@@ -1683,7 +1683,7 @@ method number:sym<numish>($/) {
 }
 
 method numish($/) {
-    if $<integer> { make PAST::Val.new( :value($<integer>.ast), :returns('Int') ); }
+    if $<integer> { make PAST::Val.new( :value($<integer>.ast) ); }
     elsif $<dec_number> { make $<dec_number>.ast; }
     else {
         make PAST::Var.new( :name(~$/), :namespace(''), :scope('package') );