Revert "Tweak routing table checks for OpenBSD"

This reverts commit 71b4e89e3df93758ed53374b86c92a2d8564c822.
Revert "Implement routing table matcher for OpenBSD"

This reverts commit e4a95d6ed0511705aaf0461a4d62d1e928eeadbd.
Merge pull request #233 from serverspec/revert-routing-table-process-for-openbsd

Revert routing table process for openbsd