[8.10](backport #3384) Uninstall finds and kills any running elastic-agent watch process
#1938
| Job | Run time |
|---|---|
| 7m 44s | |
| 7m 44s |
elastic-agent watch process
#1938
| Job | Run time |
|---|---|
| 7m 44s | |
| 7m 44s |