Revert "Add calls for SELinux MAC checks in keystore."

getcon fails if SELinux is disabled. Revert for now until
a more appropriate fix is made.

This reverts commit 0e542d0b849a42b6641bf64fd87c7076c98b73d1.

Bug: 15945719
Change-Id: Ifa24608b374ea3dc8b5569a5cd214db823a00f26
diff --git a/keystore/Android.mk b/keystore/Android.mk
index 22bba01..47b7e84 100644
--- a/keystore/Android.mk
+++ b/keystore/Android.mk
@@ -28,8 +28,7 @@
 	libkeystore_binder \
 	liblog \
 	libsoftkeymaster \
-	libutils \
-	libselinux
+	libutils
 LOCAL_MODULE := keystore
 LOCAL_MODULE_TAGS := optional
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk