Ignore suspicious_doc_comments in arrow examples

Can drop this after rebase on commit 7952595 "Rename list contains kernels to in_list (apache#4289) (apache#4342)", first released in 41.0.0

arrow/examples/builders.rs

@@ -15,6 +15,8 @@
 // specific language governing permissions and limitations
 // under the License.
 
+#![allow(clippy::suspicious_doc_comments)]
+
 ///! Many builders are available to easily create different types of arrow arrays
 extern crate arrow;
 

arrow/examples/dynamic_types.rs

@@ -15,6 +15,8 @@
 // specific language governing permissions and limitations
 // under the License.
 
+#![allow(clippy::suspicious_doc_comments)]
+
 ///! This example demonstrates dealing with mixed types dynamically at runtime
 use std::sync::Arc;
 

arrow/examples/tensor_builder.rs

@@ -15,6 +15,8 @@
 // specific language governing permissions and limitations
 // under the License.
 
+#![allow(clippy::suspicious_doc_comments)]
+
 ///! Tensor builder example
 extern crate arrow;