ti,otap-del-sel has been deprecated in favor of ti,otap-del-sel-legacy.

Drop the duplicate and misleading ti,otap-del-sel property.
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20230607132043.3932726-3-nm@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>