Tizen does not exist in 2018.2+ so hide warning.

ScriptableRenderPipeline/Core/CoreRP/TextureCache.cs

                 {
                     case BuildTarget.iOS:
                     case BuildTarget.Android:
+#if !UNITY_2018_2_OR_NEWER
+#endif
                     case BuildTarget.WSAPlayer:
                         // Note: We return true on purpose even if Windows Store Apps are running on Desktop.
                         return true;