Deleted unnecessary `build.gradle`
Deleted unnecessary `build.gradle`

We'd ended up with a second copy of `build.gradle` in
the `src` directory which was unnecessary.

UMM-CSci-3601-F17/interation-1-drop-table-teams,UMM-CSci-3601-F17/interation-1-drop-table-teams,UMM-CSci-3601/3601-lab4_mongo,UMM-CSci-3601-F17/interation-1-drop-table-teams,UMM-CSci-3601-F17/interation-1-drop-table-teams,UMM-CSci-3601/3601-lab4_mongo,UMM-CSci-3601/3601-lab4_mongo,UMM-CSci-3601-F17/interation-1-drop-table-teams,UMM-CSci-3601/3601-lab4_mongo