Remove version in the gem2deb build-dependency

debian/control

@@ -5,7 +5,7 @@ Maintainer: Debian Ruby Extras Maintainers <pkg-ruby-extras-maintainers@lists.al
 Uploaders: Praveen Arimbrathodiyil <praveen@debian.org>,
            Per Andersson <avtobiff@gmail.com>
 Build-Depends: debhelper (>= 9~),
-               gem2deb (>= 0.7.4~),
+               gem2deb,
                libhttp-parser-dev,
                rake,
                ruby-json,