mp_min_u32 is not used anywhere anymore, so it can be removed

Author: nijtmans

dep.pl

@@ -117,7 +117,7 @@
           $line = $';
           # now $& is the match, we want to skip over LTM keywords like
           # mp_int, mp_word, mp_digit
-          if (!($& eq 'mp_digit') && !($& eq 'mp_word') && !($& eq 'mp_int') && !($& eq 'mp_min_u32')) {
+          if (!($& eq 'mp_digit') && !($& eq 'mp_word') && !($& eq 'mp_int')) {
              my $a = $&;
              $a =~ tr/[a-z]/[A-Z]/;
              $a = 'BN_' . $a . '_C';

tommath.h

@@ -93,14 +93,6 @@ typedef uint64_t             mp_word;
 #   endif
 #endif
 
-/* otherwise the bits per digit is calculated automatically from the size of a mp_digit */
-#ifndef DIGIT_BIT
-#   define DIGIT_BIT (((CHAR_BIT * MP_SIZEOF_MP_DIGIT) - 1))  /* bits per digit */
-typedef uint_least32_t mp_min_u32;
-#else
-typedef mp_digit mp_min_u32;
-#endif
-
 #define MP_DIGIT_BIT     DIGIT_BIT
 #define MP_MASK          ((((mp_digit)1)<<((mp_digit)DIGIT_BIT))-((mp_digit)1))
 #define MP_DIGIT_MAX     MP_MASK