[Merge] ~muktupavels/unity:compizconfig into unity:master

[Khurshid Alam]

In the ppa I can't build unity

The following packages have unmet dependencies:
 builddeps:unity : Depends: libcompizconfig0-dev (>= 1:0.9.13.1+19.04.20190207.3-0ubuntu1) but it is not going to be installed

Can it be removed from debian/control ? May be add a break for libcompizconfig0 ?
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https://code.launchpad.net/~muktupavels/unity/+git/unity/+merge/362759
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