[packaging] Remove man pages from package. Contributes to JB#24119
[packaging] Remove man pages from package. Contributes to JB#24119

Remove all man pages from package because they are out of date.
Use %license for COPYING and copyright files.
Leave out debian/changelog.

Signed-off-by: Tomi Leppänen <5c72ffe736be5009d7fd5b3f191ca04ec28863e0@jolla.com>

spiiroin/mce,spiiroin/mce,spiiroin/mce,spiiroin/mce