package/empty: bump to version 0.6.22b

- Drop EMPTY_STRIP_COMPONENTS (not needed anymore)
- Update hash of COPYRIGHT (update in year with
  https://sourceforge.net/p/empty/code/ci/c308663530aba4f808b76ee6b4a4b144be9f8a84)

10.08.2022 0.6.22b
--------------------------------------------------------------------------------
* Man pages directory parameterization
* Tarball clenup, repacking

https://sourceforge.net/p/empty/code/ci/master/tree/CHANGELOG

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/empty/empty.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256  2fccd0faa1b3deaec1add679cbde3f34250e45872ad5df463badd4bb4edeb797  empty-0.6.21b.tgz
-sha256  f01dbe3c624084900b9df1393d9062518b2bc0487acd6a3300ebd6e71352d112  COPYRIGHT
+sha256  f581d560e1fa857f5304586e3c2107b5838bcf11dedcccec4a7191fa9e261b69  empty-0.6.22b.tgz
+sha256  db6b65f5eaf782a92715887ac107f3477d64016301a66194a92312b13ff89be1  COPYRIGHT

package/empty/empty.mk

@@ -4,12 +4,11 @@
 #
 ################################################################################
 
-EMPTY_VERSION = 0.6.21b
+EMPTY_VERSION = 0.6.22b
 EMPTY_SOURCE = empty-$(EMPTY_VERSION).tgz
 EMPTY_SITE = http://downloads.sourceforge.net/project/empty/empty/empty-$(EMPTY_VERSION)
 EMPTY_LICENSE = BSD-3-Clause
 EMPTY_LICENSE_FILES = COPYRIGHT
-EMPTY_STRIP_COMPONENTS = 0
 
 define EMPTY_BUILD_CMDS
 	$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) all