mb/google/rex: Drop redundant `cpu_cluster` entry

This patch drops redundant cpu_cluster definition from mainboard
specific devicetree.cb as soc chip config (chipset.cb) already
has the required entry.

BUG=b:224325352
TEST=Able to build Google/Rex.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: Iad42985ead7269eaa739c31bede5948c2e25c67c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65761
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/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
index 2c285d2..c8f113a 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
@@ -1,7 +1,4 @@
 chip soc/intel/meteorlake
-	device cpu_cluster 0 on
-		device lapic 0 on end
-	end
 	device domain 0 on
 		device ref igpu on end
 		device ref dtt on end
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index b93d751..62b831b 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -1,7 +1,4 @@
 chip soc/intel/meteorlake
-	device cpu_cluster 0 on
-		device lapic 0 on end
-	end
 	device domain 0 on
 		device ref pcie_rp9 on
 			# Enable SSD Card PCIE 9 using clk 4