maint: remove unnecessary snapshots check script (#13248)

We can do this with a justfile recipe.
Co-authored-by: Matthew Slipper <me@matthewslipper.com>

packages/contracts-bedrock/justfile

@@ -130,11 +130,10 @@ gas-snapshot-check: build-go-ffi gas-snapshot-check-no-build
 
 # Checks if the snapshots are up to date without building.
 snapshots-check-no-build:
-  ./scripts/checks/check-snapshots.sh --no-build
+  just snapshots-no-build && git diff --exit-code snapshots
 
 # Checks if the snapshots are up to date.
-snapshots-check:
-  ./scripts/checks/check-snapshots.sh
+snapshots-check: build snapshots-check-no-build
 
 # Checks interface correctness without building.
 interfaces-check-no-build:

packages/contracts-bedrock/scripts/checks/check-snapshots.sh

-#!/usr/bin/env bash
-set -euo pipefail
-
-# Check for the --no-build flag
-# Generate snapshots
-if [ "${1:-}" == "--no-build" ]; then
-    just snapshots-no-build
-else
-    just snapshots
-fi
-
-# Check if the generated `snapshots` files are different from the committed versions
-if git diff --exit-code snapshots > /dev/null; then
-    [ -z "$(git ls-files --others --exclude-standard snapshots)" ] || exit 1
-else
-    exit 1
-fi