Remove dead code.

Author: evoskuil

test/math/bytes.cpp

@@ -20,9 +20,7 @@
 
 BOOST_AUTO_TEST_SUITE(bytes_tests)
 
-constexpr auto foo = byte_width(1_u8);
-
- // byte_width (unsigned/positive)
+// byte_width (unsigned/positive)
 static_assert(byte_width(0_u8) == 0);
 static_assert(byte_width(1_u8) == 1);
 static_assert(byte_width(2_u8) == 1);