Remove duplicate kernel config fragments

Enable system specific modules in their respective layers.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-firestone/recipes-kernel/linux/linux-obmc/firestone.cfg b/meta-firestone/recipes-kernel/linux/linux-obmc/firestone.cfg
index 2594dec..99efe89 100644
--- a/meta-firestone/recipes-kernel/linux/linux-obmc/firestone.cfg
+++ b/meta-firestone/recipes-kernel/linux/linux-obmc/firestone.cfg
@@ -1,4 +1,2 @@
 CONFIG_HWMON=y
-CONFIG_SENSORS_NCT7904=y
-CONFIG_EEPROM_AT24=y
 CONFIG_SENSORS_TMP421=y
diff --git a/meta-garrison/recipes-kernel/linux/linux-obmc/garrison.cfg b/meta-garrison/recipes-kernel/linux/linux-obmc/garrison.cfg
index 2594dec..99efe89 100644
--- a/meta-garrison/recipes-kernel/linux/linux-obmc/garrison.cfg
+++ b/meta-garrison/recipes-kernel/linux/linux-obmc/garrison.cfg
@@ -1,4 +1,2 @@
 CONFIG_HWMON=y
-CONFIG_SENSORS_NCT7904=y
-CONFIG_EEPROM_AT24=y
 CONFIG_SENSORS_TMP421=y