Improve exception handling around several hook handlers.

Revert "modules/vm: Allow ctx::interrupted to propagate call_hook()."
This also reverts commit cdae254e14.

modules/m_direct.cc

@@ -35,6 +35,7 @@ _join_room__m_direct_hookfn
 void
 _join_room__m_direct(const m::event &event,
                      m::vm::eval &eval)
+try
 {
 	const m::user::id &user_id
 	{
@@ -125,3 +126,13 @@ _join_room__m_direct(const m::event &event,
 	top.~object();
 	account_data.set("m.direct", json::object(out.completed()));
 }
+catch(const std::exception &e)
+{
+	log::error
+	{
+		m::log, "Failure while setting m.direct account_data for %s in %s :%s",
+		json::get<"sender"_>(event),
+		json::get<"room_id"_>(event),
+		e.what()
+	};
+}

modules/m_room_member.cc

@@ -48,6 +48,7 @@ ircd::m::affect_user_room_hookfn
 void
 ircd::m::affect_user_room(const m::event &event,
                           m::vm::eval &eval)
+try
 {
 	const auto &room_id
 	{
@@ -69,9 +70,24 @@ ircd::m::affect_user_room(const m::event &event,
 		create(subject);
 
 	//TODO: ABA / TXN
-	m::user::room user_room{subject};
+	m::user::room user_room
+	{
+		subject
+	};
+
 	send(user_room, sender, "ircd.member", room_id, at<"content"_>(event));
 }
+catch(const std::exception &e)
+{
+	log::error
+	{
+		log, "Failed to update user %s room for membership change in %s by %s :%s",
+		json::get<"state_key"_>(event),
+		json::get<"room_id"_>(event),
+		json::get<"sender"_>(event),
+		e.what()
+	};
+}
 
 decltype(ircd::m::auth_room_member_hookfn)
 ircd::m::auth_room_member_hookfn

modules/m_vm.cc

@@ -1088,18 +1088,6 @@ try
 {
 	hook(event, std::forward<T>(data));
 }
-catch(const ctx::interrupted &e)
-{
-	log::derror
-	{
-		"%s | phase:%s :%s",
-		loghead(eval),
-		unquote(hook.feature.get("name")),
-		e.what(),
-	};
-
-	throw;
-}
 catch(const m::error &e)
 {
 	log::derror