irqchip/gic-v3: Remove duplicate definition of GICD_TYPER_LPIS

GICD_TYPER_LPIS macro is defined twice in this file. This patch removes the
duplicate entry.

Fixes: f5c1434c ("irqchip: GICv3: rework redistributor structure")
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>