remove stray ', syntax error

Author: coke

doc/Type/IO/Path.pod6

@@ -646,7 +646,7 @@ which case the reported size is dependent on the operating system. The method
 will L«C<fail>|/routine/fail» with C<X::IO::DoesNotExist> if the path points to
 a non-existent filesystem entity.
 
-    say $*EXECUTABLE.IO.s'; # OUTPUT : «467␤»
+    say $*EXECUTABLE.IO.s; # OUTPUT : «467␤»
 
 =head2 method l