[CI] Delete cargo-deny config (#4677)
Nobody seems to maintain this and the job is disabled since months. I
think unless the Security team wants to pick this up we delete it for
now.
Signed-off-by: 
Oliver Tale-Yazdi <[email protected]>
Nobody seems to maintain this and the job is disabled since months. I
think unless the Security team wants to pick this up we delete it for
now.
Signed-off-by: Oliver Tale-Yazdi <[email protected]>