selftest/license: Exclude from world

These test recipes shouldn't be built as part of world builds. Some recent
changes are exposing issues from this so exclude them.

(From OE-Core rev: 80d3f5586cd060ae69fbc6dec2e8978d87da10ba)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-selftest/recipes-test/license/incompatible-license-alias.bb

@@ -1,3 +1,5 @@
 SUMMARY = "Recipe with an alias of an SPDX license"
 DESCRIPTION = "Is licensed with an alias of an SPDX license to be used for testing"
 LICENSE = "GPLv3"
+
+EXCLUDE_FROM_WORLD = "1"

meta-selftest/recipes-test/license/incompatible-license.bb

@@ -1,3 +1,5 @@
 SUMMARY = "Recipe with an SPDX license"
 DESCRIPTION = "Is licensed with an SPDX license to be used for testing"
 LICENSE = "GPL-3.0-only"
+
+EXCLUDE_FROM_WORLD = "1"

meta-selftest/recipes-test/license/incompatible-licenses.bb

@@ -1,3 +1,5 @@
 SUMMARY = "Recipe with multiple SPDX licenses"
 DESCRIPTION = "Is licensed with multiple SPDX licenses to be used for testing"
 LICENSE = "GPL-2.0-only & GPL-3.0-only & LGPL-3.0-only"
+
+EXCLUDE_FROM_WORLD = "1"

meta-selftest/recipes-test/license/incompatible-nonspdx-license.bb

@@ -1,3 +1,5 @@
 SUMMARY = "Recipe with a non-SPDX license"
 DESCRIPTION = "Is licensed with a non-SPDX license to be used for testing"
 LICENSE = "FooLicense"
+
+EXCLUDE_FROM_WORLD = "1"