Docs: Fix of typo and delete of unnecessary sentence in 'Sign a plugin' doc (#63538)
* Typo fix, minor edit
Signed-off-by: Joe Perez <joseph.perez@grafana.com>
* Prettier fixes
Signed-off-by: Joe Perez <joseph.perez@grafana.com>
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Signed-off-by: Joe Perez <joseph.perez@grafana.com>
(cherry picked from commit dd5b115164)
Co-authored-by: Joseph Perez <45749060+josmperez@users.noreply.github.com>