chore: remove redundant words (tracel-ai#3770)

Signed-off-by: juejinyuxitu <[email protected]>

Author: juejinyuxitu

crates/burn-tensor/README.md

@@ -8,5 +8,5 @@
 This library provides the core abstractions required to run tensor operations with Burn.
 
 `Tensor`s are generic over the backend to allow users to perform operations using different
-`Backend` implementations. Burn's tensors also support support auto-differentiation thanks to the
+`Backend` implementations. Burn's tensors also support auto-differentiation thanks to the
 `AutodiffBackend` trait.

crates/burn-tensor/src/lib.rs

@@ -4,7 +4,7 @@
 
 //! This library provides the core abstractions required to run tensor operations with Burn.
 //! `Tensor`s are generic over the backend to allow users to perform operations using different `Backend` implementations.
-//! Burn's tensors also support support auto-differentiation thanks to the `AutodiffBackend` trait.
+//! Burn's tensors also support auto-differentiation thanks to the `AutodiffBackend` trait.
 
 #[macro_use]
 extern crate derive_new;