repack.d: remove scripts with only add_libs_requires (it is default behaviour)

repack.d/generic-default.sh

 #!/bin/sh -x
 
+# Default repack script (used if a special script for target product is mieed)
+
 # It will run with two args: buildroot spec
 BUILDROOT="$1"
 SPEC="$2"

repack.d/printer-driver-pantum.sh

-#!/bin/sh -x
-# It will run with two args: buildroot spec
-BUILDROOT="$1"
-
-SPEC="$2"
-
-. $(dirname $0)/common.sh
-
-add_libs_requires

repack.d/urserver.sh

-#!/bin/sh -x
-
-# It will be run with two args: buildroot spec
-BUILDROOT="$1"
-SPEC="$2"
-
-. $(dirname $0)/common.sh

repack.d/virtualbox-extpack.sh

-#!/bin/sh -x
-
-# It will be run with two args: buildroot spec
-BUILDROOT="$1"
-SPEC="$2"
-
-. $(dirname $0)/common.sh
-

repack.d/xnview.sh

-#!/bin/sh -x
-# It will run with two args: buildroot spec
-BUILDROOT="$1"
-SPEC="$2"
-
-. $(dirname $0)/common.sh
-
-add_libs_requires