xfce4-vala: Drop unnecessary SRC_URI[md5sum]

Signed-off-by: Jason Schonberg <schonm@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-xfce/recipes-bindings/vala/xfce4-vala_4.10.3.bb

@@ -11,7 +11,6 @@ SRC_URI = " \
     http://archive.xfce.org/src/bindings/${BPN}/${@xfce_verdir("${PV}")}/${BPN}-${PV}.tar.bz2 \
     file://0001-configure.ac-Detect-vapidir-if-not-set-explicitly.patch \
 "
-SRC_URI[md5sum] = "0bbb1d6e473e0fe9b335b7b1b49d8a71"
 SRC_URI[sha256sum] = "07a8f2b7c09fcdd3d86e0c52adea3c58ca011d0142a93997a01b4af77260ae7b"
 
 FILES:${PN} += "${datadir}/vala-*/vapi"