arm/linux-yocto: remove tcpci for generic-arm64

Per the comment, it's not necessary post 5.12.

Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm/recipes-kernel/linux/linux-yocto/tcpci.cfg

@@ -1,2 +0,0 @@
-# The upstream defconfig has this in 5.12 onwards, but until then set it manually.
-CONFIG_TYPEC_TCPCI=m

meta-arm/recipes-kernel/linux/linux-yocto_%.bbappend

@@ -1,10 +1,6 @@
 ARMFILESPATHS := "${THISDIR}/${PN}:"
 
 COMPATIBLE_MACHINE:generic-arm64 = "generic-arm64"
-FILESEXTRAPATHS:prepend:generic-arm64 = "${ARMFILESPATHS}"
-SRC_URI:append:generic-arm64 = " \
-    file://tcpci.cfg \
-    "
 
 FILESEXTRAPATHS:prepend:qemuarm64-secureboot = "${ARMFILESPATHS}"
 SRC_URI:append:qemuarm64-secureboot = " \