Remove non-functional pragmas

Author: mborland

test/benchmarks.cpp

@@ -3,12 +3,6 @@
 // Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#if defined(__GNUC__) && __GNUC__ > 5
-#  pragma GCC diagnostic push
-#  pragma GCC diagnostic ignored "-Wclass-memaccess"
-#  pragma GCC diagnostic ignored "-Warray-bounds"
-#endif
-
 #include <boost/decimal.hpp>
 #include <chrono>
 #include <random>