remove obsolete comment
diff --git a/tommath.h b/tommath.h
index 51efb6e..a420f5b 100644
--- a/tommath.h
+++ b/tommath.h
@@ -81,9 +81,7 @@ typedef uint64_t private_mp_word;
*/
# define MP_DIGIT_BIT 31
# else
-/* default case is 28-bit digits, defines MP_28BIT as a handy macro to test
- * this is to make porting into LibTomCrypt easier :-)
- */
+/* default case is 28-bit digits, defines MP_28BIT as a handy macro to test */
# define MP_DIGIT_BIT 28
# define MP_28BIT
# endif