[DOC] Fix sample codes (#2518)

`raft::raft::resources` -> `raft::resources`

Authors:
  - tsuki (https://github.com/enp1s0)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #2518

Author: enp1s0

cpp/include/raft/cluster/kmeans.cuh

@@ -52,7 +52,7 @@ using KeyValueIndexOp = detail::KeyValueIndexOp<IndexT, DataT>;
  *   #include <raft/cluster/kmeans_types.hpp>
  *   using namespace raft::cluster;
  *   ...
- *   raft::raft::resources handle;
+ *   raft::resources handle;
  *   raft::cluster::KMeansParams params;
  *   int n_features = 15, inertia, n_iter;
  *   auto centroids = raft::make_device_matrix<float, int>(handle, params.n_clusters, n_features);
@@ -61,7 +61,7 @@ using KeyValueIndexOp = detail::KeyValueIndexOp<IndexT, DataT>;
  *               params,
  *               X,
  *               std::nullopt,
- *               centroids,
+ *               centroids.view(),
  *               raft::make_scalar_view(&inertia),
  *               raft::make_scalar_view(&n_iter));
  * @endcode
@@ -107,7 +107,7 @@ template <typename DataT, typename IndexT>
  *   #include <raft/cluster/kmeans_types.hpp>
  *   using namespace raft::cluster;
  *   ...
- *   raft::raft::resources handle;
+ *   raft::resources handle;
  *   raft::cluster::KMeansParams params;
  *   int n_features = 15, inertia, n_iter;
  *   auto centroids = raft::make_device_matrix<float, int>(handle, params.n_clusters, n_features);
@@ -175,7 +175,7 @@ template <typename DataT, typename IndexT>
  *   #include <raft/cluster/kmeans_types.hpp>
  *   using namespace raft::cluster;
  *   ...
- *   raft::raft::resources handle;
+ *   raft::resources handle;
  *   raft::cluster::KMeansParams params;
  *   int n_features = 15, inertia, n_iter;
  *   auto centroids = raft::make_device_matrix<float, int>(handle, params.n_clusters, n_features);

cpp/include/raft/comms/std_comms.hpp

@@ -52,7 +52,7 @@ using std_comms = detail::std_comms;
  * #include <raft/core/device_mdarray.hpp>
  *
  * ncclComm_t nccl_comm;
- * raft::raft::resources handle;
+ * raft::resources handle;
  *
  * build_comms_nccl_only(&handle, nccl_comm, 5, 0);
  * ...
@@ -98,7 +98,7 @@ void build_comms_nccl_only(resources* handle, ncclComm_t nccl_comm, int num_rank
  * #include <raft/core/device_mdarray.hpp>
  *
  * ncclComm_t nccl_comm;
- * raft::raft::resources handle;
+ * raft::resources handle;
  * ucp_worker_h ucp_worker;
  * ucp_ep_h *ucp_endpoints_arr;
  *

cpp/include/raft/distance/distance-inl.cuh

@@ -366,7 +366,7 @@ void pairwise_distance(raft::resources const& handle,
  * #include <raft/random/make_blobs.cuh>
  * #include <raft/distance/distance.cuh>
  *
- * raft::raft::resources handle;
+ * raft::resources handle;
  * int n_samples = 5000;
  * int n_features = 50;
  *

cpp/include/raft/neighbors/epsilon_neighborhood.cuh

@@ -76,7 +76,7 @@ void epsUnexpL2SqNeighborhood(bool* adj,
  *  #include <raft/core/resources.hpp>
  *  #include <raft/core/device_mdarray.hpp>
  *  using namespace raft::neighbors;
- *  raft::raft::resources handle;
+ *  raft::resources handle;
  *  ...
  *  auto adj = raft::make_device_matrix<bool>(handle, m * n);
  *  auto vd = raft::make_device_vector<int>(handle, m+1);
@@ -120,4 +120,4 @@ void eps_neighbors_l2sq(raft::resources const& handle,
 
 }  // namespace raft::neighbors::epsilon_neighborhood
 
-#endif
+#endif