Revert "Add a linger_time configuration option on IRC servers"

This reverts commit 5d801ddcd0.

src/bridge/bridge.cpp

@@ -12,7 +12,6 @@
 #include <database/database.hpp>
 #include "result_set_management.hpp"
 #include <algorithm>
-#include <utils/timed_events.hpp>
 
 using namespace std::string_literals;
 
@@ -892,7 +891,7 @@ void Bridge::send_muc_leave(const Iid& iid, const std::string& nick,
     }
   IrcClient* irc = this->find_irc_client(iid.get_server());
   if (self && irc && irc->number_of_joined_channels() == 0)
-    this->quit_or_start_linger_timer(iid.get_server());
+    irc->send_quit_command("");
 }
 
 void Bridge::send_nick_change(Iid&& iid,
@@ -1244,22 +1243,3 @@ void Bridge::set_record_history(const bool val)
   this->record_history = val;
 }
 #endif
-
-void Bridge::quit_or_start_linger_timer(const std::string& irc_hostname)
-{
-#ifdef USE_DATABASE
-  auto options = Database::get_irc_server_options(this->get_bare_jid(),
-                                                  irc_hostname);
-  const auto timeout = std::chrono::seconds(options.lingerTime.value());
-#else
-  const auto timeout = 0s;
-#endif
-
-  const auto event_name = "IRCLINGER:" + irc_hostname + ".." + this->get_bare_jid();
-  TimedEvent event(std::chrono::steady_clock::now() + timeout, [this, irc_hostname]() {
-    IrcClient* irc = this->find_irc_client(irc_hostname);
-    if (irc)
-      irc->send_quit_command("");
-  }, event_name);
-  TimedEventsManager::instance().add_event(std::move(event));
-}

src/bridge/bridge.hpp

@@ -236,11 +236,6 @@ public:
 #ifdef USE_DATABASE
   void set_record_history(const bool val);
 #endif
-  /**
-   * Start a timer that will send a QUIT command after the
-   * configured linger time is expired.
-   */
-  void quit_or_start_linger_timer(const std::string& irc_hostname);
 
 private:
   /**