remove encrypted filesystem code from recovery

This was never used; encrypted filesystems are being done a different
way now.

Change-Id: I519c57b9be44d001f0b81516af7bfc252069892b
diff --git a/Android.mk b/Android.mk
index 27ffec7..cacb628 100644
--- a/Android.mk
+++ b/Android.mk
@@ -12,8 +12,7 @@
     install.c \
     roots.c \
     ui.c \
-    verifier.c \
-    encryptedfs_provisioning.c
+    verifier.c
 
 LOCAL_MODULE := recovery