package/python-bsdiff4: drop python2 support

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/python-bsdiff4/Config.in

@@ -1,7 +1,6 @@
 config BR2_PACKAGE_PYTHON_BSDIFF4
 	bool "python-bsdiff4"
-	select BR2_PACKAGE_PYTHON_BZIP2 if BR2_PACKAGE_PYTHON # runtime
-	select BR2_PACKAGE_PYTHON3_BZIP2 if BR2_PACKAGE_PYTHON3 # runtime
+	select BR2_PACKAGE_PYTHON3_BZIP2 # runtime
 	help
 	  binary diff and patch using the BSDIFF4-format.