insane: Drop debug exclusion from buildpaths test

Once, we didn't have reproducible debug info and weren't sure how we'd get it.
This is long since fixed so we can drop this exclusion as obsolete.

(From OE-Core rev: dab0d98eee0e196fb24c16334982b5d568caa313)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/insane.bbclass

@@ -445,9 +445,6 @@ def package_qa_check_buildpaths(path, name, d, elf, messages):
     explicitly ignored.
     """
     import stat
-    # Ignore .debug files, not interesting
-    if path.find(".debug") != -1:
-        return
 
     # Ignore symlinks/devs/fifos
     mode = os.lstat(path).st_mode