Replace uses of std::move and std::forward with macros

This improves the SelfTest build times by about 3% (measured
with Clang 10 on random Linux box I had lying around).

src/catch2/catch_message.cpp

@@ -9,6 +9,7 @@
 #include <catch2/interfaces/catch_interfaces_capture.hpp>
 #include <catch2/internal/catch_uncaught_exceptions.hpp>
 #include <catch2/internal/catch_enforce.hpp>
+#include <catch2/internal/catch_move_and_forward.hpp>
 
 #include <cassert>
 #include <stack>
@@ -25,7 +26,7 @@ namespace Catch {
     }
 
     ScopedMessage::ScopedMessage( ScopedMessage&& old ) noexcept:
-        m_info( std::move( old.m_info ) ) {
+        m_info( CATCH_MOVE( old.m_info ) ) {
         old.m_moved = true;
     }