Remove redundant null check

Already covered by instanceOf check

Change-Id: I1c2f70d03c2e35f2a967471168ffe6dd5d122c87
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ua/+/187704
1 file changed