MAINTAINERS: omap: remove me as a maintainer

The codeaurora.org domain is no longer valid, remove my id
from the maintainers for OMAP PM frameworks.
I haven't contributed to them in years, neither do I plan to
in the future so not updating this with my new quicinc id.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Message-Id: <1649824983-29400-1-git-send-email-quic_rjendra@quicinc.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>