eliminate one more session dependency in peer_connection

include/libtorrent/aux_/session_impl.hpp

@@ -1134,7 +1134,6 @@ namespace libtorrent
 #if defined TORRENT_LOGGING
 			virtual void session_log(char const* fmt, ...) const;
 			virtual void session_vlog(char const* fmt, va_list& va) const;
-			void log_all_torrents(peer_connection* p);
 
 			// this list of tracker loggers serves as tracker_callbacks when
 			// shutting down. This list is just here to keep them alive during

include/libtorrent/aux_/session_interface.hpp

@@ -106,7 +106,6 @@ namespace libtorrent { namespace aux
 #if defined TORRENT_LOGGING
 		virtual void session_log(char const* fmt, ...) const = 0;
 		virtual void session_vlog(char const* fmt, va_list& va) const = 0;
-		virtual void log_all_torrents(peer_connection* p) = 0;
 #endif
 
 #if TORRENT_USE_ASSERTS

include/libtorrent/bt_peer_connection.hpp

@@ -71,11 +71,6 @@ namespace libtorrent
 {
 	class torrent;
 
-	namespace detail
-	{
-		struct session_impl;
-	}
-
 	class TORRENT_EXTRA_EXPORT bt_peer_connection
 		: public peer_connection
 	{

src/peer_connection.cpp

@@ -390,9 +390,9 @@ namespace libtorrent
 			return;
 		}
 
-#if defined TORRENT_LOGGING
 		tcp::endpoint bound_ip = m_ses.bind_outgoing_socket(*m_socket
 			, m_remote.address(), ec);
+#if defined TORRENT_LOGGING
 		peer_log(">>> BIND [ dst: %s ec: %s ]", print_endpoint(bound_ip).c_str()
 			, ec.message().c_str());
 #endif
@@ -1196,7 +1196,6 @@ namespace libtorrent
 			// we couldn't find the torrent!
 #if defined TORRENT_LOGGING
 			peer_log("*** couldn't find a torrent with the given info_hash: %s torrents:", to_hex(ih.to_string()).c_str());
-			m_ses.log_all_torrents(this);
 #endif
 
 #ifndef TORRENT_DISABLE_DHT

src/session_impl.cpp

@@ -4296,15 +4296,6 @@ retry:
 
 		m_alerts.emplace_alert<log_alert>(buf);
 	}
-
-	void session_impl::log_all_torrents(peer_connection* p)
-	{
-		for (session_impl::torrent_map::const_iterator i = m_torrents.begin()
-			, end(m_torrents.end()); i != end; ++i)
-		{
-			p->peer_log("   %s", to_hex(i->second->torrent_file().info_hash().to_string()).c_str());
-		}
-	}
 #endif
 
 	void session_impl::get_torrent_status(std::vector<torrent_status>* ret