fix: remove location check from event-wizard mixin

[snitin315]

Fixes #4058

Now Events can be saved as draft without filling the location field.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (development@5297b05). Click here to learn what that means.
The diff coverage is 0%.

@@              Coverage Diff               @@
##             development    #4059   +/-   ##
==============================================
  Coverage               ?   21.89%           
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  Files                  ?      460           
  Lines                  ?     4736           
  Branches               ?        0           
==============================================
  Hits                   ?     1037           
  Misses                 ?     3699           
  Partials               ?        0

Impacted Files	Coverage Δ
app/serializers/event.js	0% <0%> (ø)

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[iamareebjamal]

And can the event be published without location?

[snitin315]

And can the event be published without location?

@iamareebjamal No.

[kushthedude]

And can the event be published without location?

Event should not be published without location, But it should be able to get saved as a draft if location is not mandatory according to #2602 (comment). This FE check was forcing the client to give location before saving as draft too.