Revert "Check scan-build on Linux"
Revert "Check scan-build on Linux"

For now, backing out changes related to scan-build.
Getting it working will be put off for later.

This reverts commit 5d0d87cc1e76268bf3049d3778f796632dbaa8ac.

libcheck/check,libcheck/check,libcheck/check,libcheck/check,libcheck/check