mb/google/rex/var/karis: Remove WWAN temperature sensor

According to the schematic, karis does not have a WWAN temperature
sensor, remove related settings.

BUG=b:294155897
TEST=emerge-rex coreboot

Change-Id: Ic82c6cfec067faa37d452bed5c4977402a2139a5
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77284
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/rex/variants/karis/overridetree.cb b/src/mainboard/google/rex/variants/karis/overridetree.cb
index ae30b6a..37f84b2 100644
--- a/src/mainboard/google/rex/variants/karis/overridetree.cb
+++ b/src/mainboard/google/rex/variants/karis/overridetree.cb
@@ -162,7 +162,6 @@
 				register "options.tsr[0].desc" = ""DDR_SOC""
 				register "options.tsr[1].desc" = ""Ambient""
 				register "options.tsr[2].desc" = ""Charger""
-				register "options.tsr[3].desc" = ""wwan""
 
 				## Active Policy
 				# FIXME: below values are initial reference values only
@@ -199,18 +198,6 @@
 									TEMP_PCT(65, 70),
 									TEMP_PCT(60, 50),
 								}
-							},
-						[3] = {
-							.target = DPTF_TEMP_SENSOR_3,
-							.thresholds = {
-									TEMP_PCT(75, 90),
-									TEMP_PCT(70, 80),
-									TEMP_PCT(65, 70),
-									TEMP_PCT(60, 60),
-									TEMP_PCT(55, 50),
-									TEMP_PCT(50, 40),
-									TEMP_PCT(45, 30),
-								}
 							}
 				}"
 
@@ -221,7 +208,6 @@
 						[1] = DPTF_PASSIVE(CPU,         TEMP_SENSOR_0, 80, 5000),
 						[2] = DPTF_PASSIVE(CPU,         TEMP_SENSOR_1, 80, 5000),
 						[3] = DPTF_PASSIVE(CHARGER,     TEMP_SENSOR_2, 75, 5000),
-						[4] = DPTF_PASSIVE(CPU,         TEMP_SENSOR_3, 80, 5000),
 				}"
 
 				## Critical Policy
@@ -231,7 +217,6 @@
 						[1] = DPTF_CRITICAL(TEMP_SENSOR_0, 85, SHUTDOWN),
 						[2] = DPTF_CRITICAL(TEMP_SENSOR_1, 85, SHUTDOWN),
 						[3] = DPTF_CRITICAL(TEMP_SENSOR_2, 85, SHUTDOWN),
-						[4] = DPTF_CRITICAL(TEMP_SENSOR_3, 85, SHUTDOWN),
 				}"
 
 				## Power Limits Control