Revert "Add Procfile"

This reverts commit 915f8c5fb3c61c68c14bcce9ab78f5455715bc35.
Revert "Converted to postgreSQL DB"

This reverts commit ffd21de57127d3b8200c62713efcfb3d4d04441b.
Revert "added clearDB"

This reverts commit 9fd4081bebc452f373996578ad0bd02524826659.
Revert "Add Procfile"

This reverts commit 915f8c5fb3c61c68c14bcce9ab78f5455715bc35.
back to mysql