Convert to new override syntax

This is the result of automated script (0.9.1) conversion:

oe-core/scripts/contrib/convert-overrides.py .

converting the metadata to use ":" as the override character instead of "_".

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python3-hexdump_3.3.bb

@@ -19,7 +19,7 @@ S = "${WORKDIR}"
 
 BBCLASSEXTEND = "native nativesdk"
 
-do_install_append() {
+do_install:append() {
     rm ${D}${datadir}/data/hexfile.bin
     rmdir ${D}${datadir}/data ${D}${datadir}
 }