Revert "Create company-path"

This reverts commit ee0b8da950a874b3cc86177d1c9157753d750ba6.

Sorry for my mistake, I didn't find company has an `company-files`
backend, it is greater than my plugin, so I want to delete
`company-path` to avoid users use it.
Merge pull request #2024 from bolasblack/master

Delete company-path