Do not suggest adding clippy to git hooks

Signed-off-by: Jacinta Ferrant <[email protected]>

CONTRIBUTING.md

@@ -81,24 +81,18 @@ fix: incorporate unlocks in mempool admitter, #3623
 
 ### Recommended githooks
 
-It is helpful to set up the pre-commit git hook set up, so that Rust formatting issues and clippy warnings are caught before
+It is helpful to set up the pre-commit git hook set up, so that Rust formatting issues are caught before
 you push your code. Follow these instruction to set it up:
 
 1. Rename `.git/hooks/pre-commit.sample` to `.git/hooks/pre-commit`
 2. Change the content of `.git/hooks/pre-commit` to be the following
 
 ```sh
 #!/bin/sh
-# Format staged Rust files
 git diff --name-only --staged | grep '\.rs$' | xargs -P 8 -I {} rustfmt {} --edition 2021 --check --config group_imports=StdExternalCrate,imports_granularity=Module || (
   echo 'rustfmt failed: run "cargo fmt-stacks"';
   exit 1
 )
-# Run cargo clippy-stacks and fail the commit if there are any warnings
-if ! cargo clippy-stacks; then
-  echo 'cargo clippy-stacks failed: fix the warnings and try again.';
-  exit 1
-fi
 ```
 
 3. Make it executable by running `chmod +x .git/hooks/pre-commit`