hikey-kernel: Remove kernel 4.1

Test: manual
Bug: 37983487

Change-Id: I54bad3cca5da29c67f0e5a889b8d940326839e99
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/Image-dtb-4.1 b/Image-dtb-4.1
deleted file mode 100644
index 5a9831a..0000000
--- a/Image-dtb-4.1
+++ /dev/null
Binary files differ
diff --git a/hi6220-hikey.dtb-4.1 b/hi6220-hikey.dtb-4.1
deleted file mode 100644
index 20a976a..0000000
--- a/hi6220-hikey.dtb-4.1
+++ /dev/null
Binary files differ