Trim trailing whitespace.

Fixes: lintian: file-contains-trailing-whitespace
See-also: https://lintian.debian.org/tags/file-contains-trailing-whitespace.html

debian/changelog

+node-es6-set (0.1.5-2) UNRELEASED; urgency=medium
+
+  * Trim trailing whitespace.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Fri, 24 Apr 2020 07:18:18 +0000
+
 node-es6-set (0.1.5-1) unstable; urgency=low
 
   * Initial release (Closes: #875750)

debian/rules

@@ -10,6 +10,3 @@
 #override_dh_auto_build:
 
 #override_dh_auto_test:
-
-
-