Remove install tests from Thrust/CUB.

These are now handled at the CCCL level, using newer and more
robust techniques.

Author: alliepiper

test/cmake/CMakeLists.txt

@@ -1,19 +1,3 @@
-if (NOT CUB_IN_THRUST) # Thrust has its own checks for this:
-  # Test that we can use `find_package` on an installed CUB:
-  add_test(
-    NAME cub.test.cmake.test_install
-    COMMAND "${CMAKE_COMMAND}"
-      --log-level=VERBOSE
-      -G "${CMAKE_GENERATOR}"
-      -S "${CMAKE_CURRENT_SOURCE_DIR}/test_install"
-      -B "${CMAKE_CURRENT_BINARY_DIR}/test_install"
-      -D "CUB_BINARY_DIR=${CUB_BINARY_DIR}"
-      -D "CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-      -D "CMAKE_CUDA_COMPILER=${CMAKE_CUDA_COMPILER}"
-      -D "CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}"
-  )
-endif()
-
 # Check source code for issues that can be found by pattern matching:
 add_test(
   NAME cub.test.cmake.check_source_files