libblockdev-crypto2: Drop libblockdev dependency, not needed. Closes: #1040924

debian/control

@@ -107,7 +107,6 @@ Architecture: linux-any
 Depends: ${misc:Depends}, ${shlibs:Depends},
     adduser,
     clevis-luks (= ${binary:Version}),
-    libblockdev-crypto2,
     udisks2,
 Description: UDisks2/Storaged integration for clevis
  Clevis is a plugable framework for automated decryption. This package