Merge pull request #419 from TreeBASE/copilot/check-sha1-js-usage

Remove unused sha1.js

Author: rvosa

WEB_UI_ANALYSIS.md

@@ -416,7 +416,6 @@ styles/
 | `autocomplete.js` | 3.7KB | Autocomplete widget | High - Prototype-dependent |
 | `menuExpandable.js` | 6.1KB | Expandable menu navigation | Medium - Pure JS possible |
 | `ajaxProgress.js` | 1KB | Progress indicators | Medium - Uses DWR |
-| `sha1.js` | 4.4KB | SHA1 hashing | Low - Pure JavaScript |
 | `googleAnalytics.js` | 3.4KB | Analytics integration | Low - Standard GA |
 | `multiFileUpload.js` | 1KB | File upload handling | Medium |
 | `xp_progress.js` | 2.5KB | Progress bars | Medium |