Remove nano::async_write code inspection

ci/impl/code-inspector.sh

@@ -10,12 +10,6 @@ code_inspect()
         return 1
     fi
 
-    # This is to prevent out of scope access in async_write from asio which is not picked up by static analysers
-    if [[ $(grep -rl --exclude="*asio.hpp" "asio::async_write" $SOURCE_ROOT_PATH/nano) ]]; then
-        echo "Using boost::asio::async_write directly is not permitted (except in nano/lib/asio.hpp). Use nano::async_write instead" >&2
-        return 1
-    fi
-
     if [[ $(grep -rlP "^\s*assert \(" $SOURCE_ROOT_PATH/nano) ]]; then
         echo "Using assert is not permitted. Use debug_assert instead." >&2
         return 1