Remove isDevelopmentMode from the ISqlMetadataProvider, SqlMetadataProvider, and CosmosSqlMetadataProvider

We currently have a function called `IsDevelopmentMode` which is a part of the interface `ISqlMetadataProvider`. Therefore, the `SqlMetdataProvider` and the `CosmosSqlMetadataProvider` classes both implement this function.

However, all this function is doing is passing along some values that return from the `RuntimeConfigProvider`. This function is not used by the classes themselves and appears to be a case of the class handling something that is not its responsibility. We should instead favor simply using the `RuntimeConfigProvider` to determine if we are in development mode.

From the `SqlMetadataProvider`: