Update platoon-dropdown.js

- Updated English Language
- Removed "plugin.name" cz language
- Updated French Language
Update platoon-dropdown.js

- Cancelled "plugin.name" : "Vyjížděcí menu pro čety", cz language previous removing
Merge pull request #10 from GeneralSheppard/patch-2

Update platoon-dropdown.js
Merge pull request #12 from dapil/dev

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