Delete contact.md
Delete contact.md

remove

Former-commit-id: 2e7229dea60db1c8b697fb3e17a558d9a6f2307e [formerly fef86b9c0cb6d665f72e7a1ed5ce209904b0b9d6]
Former-commit-id: a061edb80493a596c0380f0ec26045aa8ddabe35
LibraryCarpentry/librarycarpentry.github.io,LibraryCarpentry/librarycarpentry.github.io,LibraryCarpentry/librarycarpentry.github.io