Delete seemingly unused file

`check.sh` could not be found anywhere in the codebase.

scripts/check.sh

@@ -1,38 +0,0 @@
-#!/bin/bash
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-function rust() {
-	cargo fmt --check
-	cargo clippy --all-targets --all-features --tests
-	cargo test
-}
-
-function node() {
-	pnpm lint
-	pnpm check
-}
-
-if [[ "$#" -eq 0 ]]; then
-	set -o xtrace
-	rust
-	node
-else
-	case "$1" in
-	rust)
-		set -o xtrace
-		rust
-		;;
-	node)
-		set -o xtrace
-		node
-		;;
-	*)
-		echo "Invalid argument: $1"
-		exit 1
-		;;
-	esac
-	exit 0
-fi