[Android] Remove useless strings

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Thu Apr 30 10:01:16 2020 +0200| [83b566758e7efd531cf3472995f82decad1fcf88] | committer: Geoffrey Métais

Remove useless strings

> https://code.videolan.org/videolan/vlc-android/commit/83b566758e7efd531cf3472995f82decad1fcf88
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 .../resources/src/main/res/values/strings.xml      | 91 ----------------------
 1 file changed, 91 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/83b566758e7efd531cf3472995f82decad1fcf88