...instead of hardcoding them for a particular version of
clang-tidy/clazy.
While at it, move also the tidy/clazy widgets to ClangTools as this
simplifies feeding data to them.
Reduce also the built-in configs to a single one using clang-tidy's and
clazy's default checks as they look very reasonable and saves us some
porting effort. Also, our previous built-in configs were just too
numerous.
Change-Id: Ib9297acb7810a940b86a23a8695530506a570394
Reviewed-by: Cristian Adam <cristian.adam@qt.io>