Update project jquery.eliminator-slajdow to v3.1.21

libgrabber updated project jquery.eliminator-slajdow to v3.1.21.

@maestr0

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "jquery.eliminator-slajdow",
    "repo": "maestr0/eliminator-slajdow-chrome",
    "files": {
      "basePath": "js/",
      "include": ["eliminator-slajdow.jquery.widget.js"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/jquery.eliminator-slajdow",
    "localVersions": ["3.1.15", "3.1.16", "3.1.20"],
    "remoteVersions": ["v3.0.2", "v3.0.3", "v3.0.4", "v3.0.5", "v3.0.6", "v3.0.7", "v3.0.8", "v3.0.9", "v3.0.10", "v3.0.11", "v3.0.12", "v3.0.13", "v3.1.1", "v3.1.2", "v3.1.3", "v3.1.4", "v3.1.5", "v3.1.6", "v3.1.7", "v3.1.8", "v3.1.9", "v3.1.10", "v3.1.11", "v3.1.12", "v3.1.13", "v3.1.14", "v3.1.15", "v3.1.16", "v3.1.20", "v3.1.21"],
    "branchVersions": []
  },
  "version": "v3.1.21",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/jquery.eliminator-slajdow/3.1.21",
  "branch": "jquery.eliminator-slajdow/v3.1.21"
}
```