malta: remove CONFIG_LEGACY_PTY from kernel config

Having legacy PTYs enabled causes problems with procd-hotplug.

Signed-off-by: Daniel Golle <[email protected]>

target/linux/malta/config-4.14

@@ -179,8 +179,6 @@ CONFIG_KALLSYMS=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_XZ is not set
 # CONFIG_LEDS_TRIGGER_TIMER is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_MD=y
 # CONFIG_MDIO_BUS is not set

target/linux/malta/config-4.19

@@ -187,8 +187,6 @@ CONFIG_JFFS2_FS_SECURITY=y
 CONFIG_KALLSYMS=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_XZ is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_MD=y