Remove out-of-date projectile file
Remove out-of-date projectile file

This commit removes an out-of-date projectile file from the top-level
directory.

Relates #28115

vroyer/elasticassandra,vroyer/elassandra,vroyer/elassandra,vroyer/elasticassandra,vroyer/elasticassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra