Remove unused code

math: Already replaced with C++17 double std::hypot

src/blackmisc/audio/notificationsounds.h

@@ -25,14 +25,6 @@ namespace BlackMisc
          */
         struct BLACKMISC_EXPORT CNotificationSounds
         {
-            //! How to play?
-            enum PlayMode
-            {
-                Single,
-                SingleWithAutomaticDeletion,
-                EndlessLoop
-            };
-
             //! Play notification
             enum NotificationFlag
             {
@@ -84,7 +76,6 @@ namespace BlackMisc
     } // ns
 } // ns
 
-Q_DECLARE_METATYPE(BlackMisc::Audio::CNotificationSounds::PlayMode)
 Q_DECLARE_METATYPE(BlackMisc::Audio::CNotificationSounds::Notification)
 Q_DECLARE_METATYPE(BlackMisc::Audio::CNotificationSounds::NotificationFlag)
 

src/blackmisc/audio/registermetadataaudio.cpp

@@ -26,10 +26,8 @@ namespace BlackMisc
 
             // ENUMs
             qDBusRegisterMetaType<PTTCOM>();
-            qDBusRegisterMetaType<CNotificationSounds::PlayMode>();
             qDBusRegisterMetaType<CNotificationSounds::NotificationFlag>();
             qDBusRegisterMetaType<CAudioDeviceInfo::DeviceType>();
-            qRegisterMetaTypeStreamOperators<CNotificationSounds::PlayMode>();
             qRegisterMetaTypeStreamOperators<CNotificationSounds::NotificationFlag>();
         }
     }

src/blackmisc/math/mathutils.cpp

@@ -20,16 +20,6 @@ namespace BlackMisc
 {
     namespace Math
     {
-        double CMathUtils::hypot(double x, double y)
-        {
-            x = qAbs(x);
-            y = qAbs(y);
-            const double max = std::max(x, y);
-            const double min = std::min(x, y);
-            double r = min / max;
-            return max * sqrt(1 + r * r);
-        }
-
         double CMathUtils::cubicRootReal(double x)
         {
             const double result = std::pow(qAbs(x), 1.0 / 3.0);

src/blackmisc/math/mathutils.h

@@ -30,9 +30,6 @@ namespace BlackMisc
             //! No objects, just static
             CMathUtils() = delete;
 
-            //! Calculates the hypotenuse of x and y without overflow
-            static double hypot(double x, double y);
-
             //! Calculates the square of x
             static inline double square(double x)
             {