Documentation: arm64/acpi_object_usage: drop duplicate words

Drop the doubled word "and".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: linux-acpi@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20200703205110.29873-3-rdunlap@infradead.orgSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/arm64/acpi_object_usage.rst

@@ -220,7 +220,7 @@ LPIT   Signature Reserved (signature == "LPIT")
        x86 only table as of ACPI 5.1; starting with ACPI 6.0, processor
        descriptions and power states on ARM platforms should use the DSDT
        and define processor container devices (_HID ACPI0010, Section 8.4,
-       and more specifically 8.4.3 and and 8.4.4).
+       and more specifically 8.4.3 and 8.4.4).
 
 MADT   Section 5.2.12 (signature == "APIC")