Remove FMT dependency (#1472)

All occurrences of log() have been replaced with qDebug()

bonus meme: remove a bunch of std::string usages in the pubsub client

Fixes #1467

src/singletons/Logging.cpp

@@ -1,7 +1,6 @@
 #include "singletons/Logging.hpp"
 
 #include "Application.hpp"
-#include "debug/Log.hpp"
 #include "singletons/Paths.hpp"
 #include "singletons/Settings.hpp"
 

src/singletons/Settings.cpp

@@ -1,7 +1,6 @@
 #include "singletons/Settings.hpp"
 
 #include "Application.hpp"
-#include "debug/Log.hpp"
 #include "singletons/Paths.hpp"
 #include "singletons/Resources.hpp"
 #include "singletons/WindowManager.hpp"

src/singletons/WindowManager.cpp

@@ -13,7 +13,6 @@
 
 #include "Application.hpp"
 #include "debug/AssertInGuiThread.hpp"
-#include "debug/Log.hpp"
 #include "messages/MessageElement.hpp"
 #include "providers/irc/Irc2.hpp"
 #include "providers/irc/IrcChannel2.hpp"
@@ -264,7 +263,7 @@ Window *WindowManager::windowAt(int index)
     {
         return nullptr;
     }
-    log("getting window at bad index {}", index);
+    qDebug() << "getting window at bad index" << index;
 
     return this->windows_.at(index);
 }
@@ -432,7 +431,7 @@ void WindowManager::initialize(Settings &settings, Paths &paths)
 
 void WindowManager::save()
 {
-    log("[WindowManager] Saving");
+    qDebug() << "[WindowManager] Saving";
     assertInGuiThread();
     QJsonDocument document;
 

src/singletons/helper/LoggingChannel.cpp

@@ -1,7 +1,6 @@
 #include "LoggingChannel.hpp"
 
 #include "Application.hpp"
-#include "debug/Log.hpp"
 #include "singletons/Paths.hpp"
 #include "singletons/Settings.hpp"
 
@@ -64,13 +63,13 @@ void LoggingChannel::openLogFile()
 
     if (!QDir().mkpath(directory))
     {
-        log("Unable to create logging path");
+        qDebug() << "Unable to create logging path";
         return;
     }
 
     // Open file handle to log file of current date
     QString fileName = directory + QDir::separator() + baseFileName;
-    log("Logging to {}", fileName);
+    qDebug() << "Logging to" << fileName;
     this->fileHandle.setFileName(fileName);
 
     this->fileHandle.open(QIODevice::Append);