mvebu: remove redundant patch for Linksys LED trigger

Remove 004-add_sata_disk_activity_trigger.patch, as the trigger is
already added in shared dtsi.

Suggested-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/mvebu/patches-5.4/004-add_sata_disk_activity_trigger.patch

-From 172230195068703b78ad5733a09492f5d6814c09 Mon Sep 17 00:00:00 2001
-From: Ansuel Smith <ansuelsmth@gmail.com>
-Date: Tue, 28 Feb 2017 14:15:50 +0100
-Subject: [PATCH] ARM: dts: armada: Add default trigger for sata led
-
-In others board we have the sata led set to function
-with the sata led trigger by default.
-This patch makes the same for these board that have sata
-led but get disabled by not associating it to any trigger.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
-Acked-by: Jason Cooper <jason@lakedaemon.net>
-Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
----
- arch/arm/boot/dts/armada-385-linksys-caiman.dts | 1 +
- arch/arm/boot/dts/armada-385-linksys-cobra.dts  | 1 +
- arch/arm/boot/dts/armada-xp-linksys-mamba.dts   | 1 +
- 3 files changed, 3 insertions(+)
-
---- a/arch/arm/boot/dts/armada-385-linksys-caiman.dts
-+++ b/arch/arm/boot/dts/armada-385-linksys-caiman.dts
-@@ -68,6 +68,7 @@
- 
- 	sata {
- 		label = "caiman:white:sata";
-+		linux,default-trigger = "disk-activity";
- 	};
- };
- 
---- a/arch/arm/boot/dts/armada-385-linksys-cobra.dts
-+++ b/arch/arm/boot/dts/armada-385-linksys-cobra.dts
-@@ -68,6 +68,7 @@
- 
- 	sata {
- 		label = "cobra:white:sata";
-+		linux,default-trigger = "disk-activity";
- 	};
- };
-