Remove "NOT YET FULLY SUPPORTED" comment from DataType::Utf8View/BinaryView (#6380)

Author: alamb

arrow-schema/src/datatype.rs

@@ -261,9 +261,7 @@ pub enum DataType {
     /// A single LargeBinary array can store up to [`i64::MAX`] bytes
     /// of binary data in total.
     LargeBinary,
-    /// (NOT YET FULLY SUPPORTED) Opaque binary data of variable length.
-    ///
-    /// Note this data type is not yet fully supported. Using it with arrow APIs may result in `panic`s.
+    /// Opaque binary data of variable length.
     ///
     /// Logically the same as [`Self::Binary`], but the internal representation uses a view
     /// struct that contains the string length and either the string's entire data
@@ -280,9 +278,7 @@ pub enum DataType {
     /// A single LargeUtf8 array can store up to [`i64::MAX`] bytes
     /// of string data in total.
     LargeUtf8,
-    /// (NOT YET FULLY SUPPORTED)  A variable-length string in Unicode with UTF-8 encoding
-    ///
-    /// Note this data type is not yet fully supported. Using it with arrow APIs may result in `panic`s.
+    /// A variable-length string in Unicode with UTF-8 encoding
     ///
     /// Logically the same as [`Self::Utf8`], but the internal representation uses a view
     /// struct that contains the string length and either the string's entire data