[Logic] Duplicated DayOfWeek enum

[mcardosos]

Logic swagger includes models for both DayOfWeek, and DaysOfWeek. This produces not as cute code: Python, C#, Ruby and Go have this problem.

[mcardosos]

@steved0x Hello!

[daviburg]

This issue should be assigned to @tonytang-microsoft-com as swagger of Logic App (Pankaj helps with the Integration Account in the same file).

[kirthik]

cc @tonytang-microsoft-com