mb/google/glados/var/caroline: Drop zero setting from dt

Unset devicetree options already default to zero. Note that this setting
is not referenced anywhere else, and will be removed in a follow-up.

Change-Id: I7bcc1c66caa9167c2327e1dc782f69c5de0fac2e
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48579
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/glados/variants/caroline/overridetree.cb b/src/mainboard/google/glados/variants/caroline/overridetree.cb
index 967a95a..e213d02 100644
--- a/src/mainboard/google/glados/variants/caroline/overridetree.cb
+++ b/src/mainboard/google/glados/variants/caroline/overridetree.cb
@@ -8,7 +8,6 @@
 	register "SlowSlewRateForIa" = "3"	# Fast/16
 	register "SlowSlewRateForGt" = "3"	# Fast/16
 	register "SlowSlewRateForSa" = "0"	# Fast/2
-	register "FastPkgCRampDisable" = "0"
 
 	register "usb2_ports[0]" = "USB2_PORT_MID(OC_SKIP)"	# Type-C Port (main)
 	register "usb2_ports[1]" = "USB2_PORT_MAX(OC_SKIP)"	# Type-C Port (sub)