Merge pull request #1170 from CesiumGS/cmake-cleanup

Don't reference Microsoft.GSL in Config.cmake.in

Author: kring

cmake/config/Config.cmake.in

@@ -13,7 +13,6 @@ find_dependency(draco CONFIG REQUIRED)
 find_dependency(expected-lite CONFIG REQUIRED)
 find_dependency(glm CONFIG REQUIRED)
 find_dependency(meshoptimizer CONFIG REQUIRED)
-find_dependency(Microsoft.GSL REQUIRED)
 find_dependency(httplib CONFIG REQUIRED)
 find_dependency(Ktx CONFIG REQUIRED)
 find_dependency(libmorton CONFIG REQUIRED)