Remove handling `return false` from validate

[nagash77]

1. Remove clearing the page before the validate (on create)
   1. Users don’t understand that validate purges the cache
   2. Users will DRY up code

[cypress-bot]

The code for this is done in cypress-io/cypress#24511, but has yet to be released.
We'll update this issue and reference the changelog when it's released.

[cypress-bot]

Released in 11.1.0.

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