Remove LappleApple from SIG Release OWNERS_ALIASES

Lauri has stepped back from SIG Release some time ago. This cleanup
should reflect the current state of the SIG.

Signed-off-by: Sascha Grunert <[email protected]>

Author: saschagrunert

OWNERS_ALIASES

@@ -250,7 +250,6 @@ aliases:
     - cpanato # SIG Technical Lead
     - jeremyrickard # SIG Technical Lead
     - justaugustus # SIG Chair
-    - LappleApple # SIG Program Manager
     - puerco # SIG Technical Lead
     - saschagrunert # SIG Chair
   release-engineering-approvers: