Changes

debian/rules: remove override_dh_strip

Remove this rule, as is not needed.

From https://www.debian.org/doc/manuals/developers-reference/best-pkging-practices.html#bpp-dbg:
> it should not be necessary to use the old manually generated ones anymore.

Change-Id: I03ea18523dcac4db8069e6481b25e2db836c7200