Fix husky configs (#1265)

Author: whitphx

.husky/pre-commit

@@ -1,4 +1 @@
-#!/usr/bin/env sh
-. "$(dirname -- "$0")/_/husky.sh"
-
 yarn lint-staged

package.json

@@ -10,7 +10,7 @@
   ],
   "scripts": {
     "new-version": "lerna version --force-publish",
-    "prepare": "husky install",
+    "prepare": "husky",
     "//": "The patch-package command requires to be run at the workspace root to patch the hoisted dependencies. So we run it here.",
     "postinstall": "patch-package --patch-dir streamlit/frontend/patches"
   },