Revert "Code: Main Flask"
Revert "Code: Main Flask"

This reverts commit 73caf47369e84ce8c56befa9d5361dbe179a1150.

TheIoTLearningInitiative/InternetOfThings101,TheIoTLearningInitiative/InternetOfThings101,TheIoTLearningInitiative/InternetOfThings101