Avoid removing changelog file until the end

Avoids losing a changelog if something else fails.

bump-version

@@ -17,7 +17,6 @@ echo "# Write the changelog below; comments will be ignored" >> ${changelog_file
 $EDITOR ${changelog_file}
 
 changelog="$( cat ${changelog_file} | grep -v '^#' | sed 's/^*/  */' )"
-rm ${changelog_file}
 
 sed -i "s,version = \"${current_version}\",version = \"${new_version}\"," node-daemon/pvcnoded/Daemon.py
 sed -i "s,version = \"${current_version}\",version = \"${new_version}\"," node-daemon/pvchealthd/Daemon.py
@@ -53,6 +52,8 @@ git commit -v
 
 popd &>/dev/null
 
+rm ${changelog_file}
+
 echo
 echo "Release message:"
 echo