2015-06-22: newbase60 guildhall package: does not need depends (all deps are in

newbase60 guildhall package: does not need depends (all deps are in guile).

diff --git a/guildhall-packages/pkg-list.scm b/guildhall-packages/pkg-list.scm
--- a/guildhall-packages/pkg-list.scm
+++ b/guildhall-packages/pkg-list.scm
@@ -1,6 +1,5 @@
 (package (newbase60 (0))
          (synopsis "Implementation of Tanteks New Base 60")
-         (depends (srfi) (ice-9))
          (libraries
           (scm -> "newbase60"))
          (programs