kernel: remove an old kernel compatibility line from module packaging

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/kernel/linux/modules/i2c.mk

@@ -24,10 +24,6 @@ I2C_CORE_MODULES:= \
   CONFIG_I2C:drivers/i2c/i2c-core \
   CONFIG_I2C_CHARDEV:drivers/i2c/i2c-dev
 
-ifeq ($(CONFIG_OF),y)
-  I2C_CORE_MODULES+=CONFIG_OF_I2C:drivers/of/of_i2c@lt3.12
-endif
-
 define KernelPackage/i2c-core
   $(call i2c_defaults,$(I2C_CORE_MODULES),51)
   TITLE:=I2C support