dist/common/scripts: convert scylla_kernel_check to python3
dist/common/scripts: convert scylla_kernel_check to python3

Convert bash script to python3.

duarten/scylla,avikivity/scylla,avikivity/scylla,duarten/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,duarten/scylla,scylladb/scylla,scylladb/scylla