Remove unused GHA workflows (#2650)
Remove unused GHA workflows (#2650)

Remove the flaky-analyzer-periodics.yml workflow has routinely failing
for a while now and doesn't add a ton of value in our current setup.

Signed-off-by: timflannagan <94c8c56cb3e3c35b9b75806bbeaebee9ba64af5c@gmail.com>
operator-framework/operator-lifecycle-manager,operator-framework/operator-lifecycle-manager