This is in line with e.g. qtbase. Also remove outdated/unreferenced
license files.
Pick-to: 6.3
Change-Id: I5d3370ab453610f9c8165ff9e57db7ad4a785370
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
Env variable BREAKPAD_SOURCE_DIR had /src at end which was
not needed.
Change-Id: I4d126c3b7c3b2da03dc2a0ba075b0d4ddad92eeb
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>