pcr: remove lcov
On armv7h, and x86_64 we have:
community/lcov 1.16-1
front-end for GCC’s coverage testing tool gcov
and on i686 we have:
community/lcov 1.16-1.0
front-end for GCC’s coverage testing tool gcov
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>