[README] Additional Fix #254. Remove redundant actions on Dev Tools detection

Author: t2ym

README.md

@@ -6,7 +6,7 @@
 Thin Hook Preprocessor (experimental)
 
 ## Notes
-- **[Configuration]** Since [0.0.248](https://github.com/t2ym/thin-hook/releases/tag/0.0.248) with [Fix #252 Block direct access to source codes](https://github.com/t2ym/thin-hook/issues/252) and [Fix #254 Block direct access to source codes even after the app shutdown](https://github.com/t2ym/thin-hook/issues/254), direct access to source codes are blocked. `hook.parameters.appPathRoot = '/';` in `demo/disable-devtools.js` can be configured to set the root of the application assets.  Prior to this version, direct access to source codes are allowed.
+- **[Configuration]** Since [0.0.249](https://github.com/t2ym/thin-hook/releases/tag/0.0.249) with [Fix #252 Block direct access to source codes](https://github.com/t2ym/thin-hook/issues/252) and [Fix #254 Block direct access to source codes even after the app shutdown](https://github.com/t2ym/thin-hook/issues/254), direct access to source codes are blocked. `hook.parameters.appPathRoot = '/';` in `demo/disable-devtools.js` can be configured to set the root of the application assets.  Prior to this version, direct access to source codes are allowed.
 - **[Vulnerability Fix]** Since [0.0.243](https://github.com/t2ym/thin-hook/releases/tag/0.0.243) with [Fix #250 Hook scripts in SVG and block data:/blob: URLs for SVG](https://github.com/t2ym/thin-hook/issues/250), scripts in SVG are hooked and `blob:` and `data:` URLs are blocked for SVG. Prior to this version, scripts in SVG are not hoooked and `blob:` and `data:` URLs are allowed for SVG. `<object data="inline-script.svg"></object>`, `<embed src="inline-script.svg">`, `<iframe src="inline-script.svg"></iframe>`
 - **[Vulnerability Fix]** Since [0.0.239](https://github.com/t2ym/thin-hook/releases/tag/0.0.239) with [Fix #249 Block blob: URLs for Worker](https://github.com/t2ym/thin-hook/issues/249), `blob:` and `data:` URLs are blocked for `Worker` and `SharedWorker`. Prior to this version, `blob:` and `data:` URLs are allowed for `Worker` and `SharedWorker`.
 - **[Vulnerability Fix]** Since [0.0.236](https://github.com/t2ym/thin-hook/releases/tag/0.0.236) with [Fix #247 Hook script.text property](https://github.com/t2ym/thin-hook/issues/247), script.text property is properly hooked. Prior to this version, script.text property is not hooked.