Updated core to correctly use nullable reference types; first changes for new device handling

RGB.NET.Devices.Corsair/CorsairDeviceProviderLoader.cs

@@ -1,24 +0,0 @@
-using RGB.NET.Core;
-
-namespace RGB.NET.Devices.Corsair
-{
-    /// <summary>
-    /// Represents a device provider loaded used to dynamically load corsair devices into an application.
-    /// </summary>
-    public class CorsairDeviceProviderLoader : IRGBDeviceProviderLoader
-    {
-        #region Properties & Fields
-
-        /// <inheritdoc />
-        public bool RequiresInitialization => false;
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc />
-        public IRGBDeviceProvider GetDeviceProvider() => CorsairDeviceProvider.Instance;
-
-        #endregion
-    }
-}