kernel: remove leftover kernel version for 4.3

Signed-off-by: Felix Fietkau <[email protected]>

include/kernel-version.mk

@@ -4,12 +4,10 @@ LINUX_RELEASE?=1
 
 LINUX_VERSION-3.18 = .29
 LINUX_VERSION-4.1 = .20
-LINUX_VERSION-4.3 = .4
 LINUX_VERSION-4.4 = .10
 
 LINUX_KERNEL_MD5SUM-3.18.29 = b25737a0bc98e80d12200de93f239c28
 LINUX_KERNEL_MD5SUM-4.1.20 = 075c38a3a23ca5bc80437b13606df00a
-LINUX_KERNEL_MD5SUM-4.3.4 = 5275d02132107c28b85f986bad576d91
 LINUX_KERNEL_MD5SUM-4.4.10 = f7033cbe05e1359a347815ca52d051ed
 
 ifdef KERNEL_PATCHVER