Remove unused staticcheck install from presubmit

Author: Subserial

hack/presubmit.sh

@@ -20,15 +20,6 @@ set -o pipefail
 
 PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 
-# We can't install in the current directory without changing the current module.
-TMP_DIR="$(mktemp -d)"
-export PATH="${PATH}:${TMP_DIR}/bin"
-export GOPATH="${TMP_DIR}"
-pushd ${TMP_DIR}
-trap popd EXIT
-go install honnef.co/go/tools/cmd/staticcheck@latest
-popd
-
 pushd ${PROJECT_ROOT}
 trap popd EXIT