Revert: CFE-4623: Added file sep to directory

[larsewi]

Reverts #3114

This reverts commit 3842469.

Caused valgrind checks to fail

  notice: Q: ".../cf-agent" -f /":    error: Maximum recursion level reached at '/var/cfengine/inputs/cfe_internal/update/../../modules/packages/vendored'
Q: ".../cf-agent" -f /":    error: Errors encountered when actuating files promise '/var/cfengine/modules/packages/vendored'
Q: ".../cf-agent" -f /":    error: Method 'modules_presence' failed in some repairs
Q: ".../cf-agent" -f /":    error: Method 'cfe_internal_update_policy_cpv' failed in some repairs