Remove all Qt version checks and branches for <5.14.0 as such versions are no longer supported.

sources/utils/qetsettings.cpp

@@ -22,7 +22,6 @@
 
 namespace QetSettings
 {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
 	/**
 	* @brief setHdpiScaleFactorRoundingPolicy
 	* Write the value of HdpiScaleFactorRoundingPolicy in
@@ -106,5 +105,4 @@ namespace QetSettings
 			return default_policy;
 		}
 	}
-#endif
 }