* Ignore build artifacts in 'tests' directory * Remove unused variables in makefiles * Add 'bootstrap-clean' rule to delete build artifacts from 'bootstrap' directory * Add 'distclean' rule to delete all build artifacts from the source tree
These are ttimp tests that are now subsumed by idris2 tests, and we'd need to implement some ttimp source that isn't really worth it at this stage.
They don't all pass yet, for minor reasons. Coming shortly... Unfortunately the startup overhead for chez is really noticeable here!