removed unused methods(BeginPlay, Tick) and added rider plugin

Plugins/Developer/RiderLink/Source/RD/thirdparty/variant/cmake/mpark_variant-config.cmake.in

@@ -0,0 +1,26 @@
+# MPark.Variant
+#
+# Copyright Michael Park, 2015-2017
+#
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+# Config file for MPark.Variant
+#
+#   `MPARK_VARIANT_INCLUDE_DIRS` - include directories
+#   `MPARK_VARIANT_LIBRARIES`    - libraries to link against
+#
+# The following `IMPORTED` target is also defined:
+#
+#   `mpark_variant`
+
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/mpark_variant-targets.cmake")
+
+get_target_property(
+  MPARK_VARIANT_INCLUDE_DIRS
+  mpark_variant INTERFACE_INCLUDE_DIRECTORIES)
+
+set_and_check(MPARK_VARIANT_INCLUDE_DIRS "${MPARK_VARIANT_INCLUDE_DIRS}")
+set(MPARK_VARIANT_LIBRARIES mpark_variant)