[REF] Replace some instances of fatal with thrown exceptions.

[eileenmcnaughton]

Overview

This is ongoing cleanup to consistently throw exceptions.

Before

CRM_Core_Error::fatal();

After

throw new CRM_Core_Exception(' no contact found');

Technical Details

The only thing notable is in the OG class where
it turned out the exception was thrown if a never-passed-in-parameter was passed in, so I removed the
construct

Comments

[civibot]

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[seamuslee001]

Jenkins re test this please

[seamuslee001]

Jenkins re test this please

[seamuslee001]

@eileenmcnaughton test fail relates

[seamuslee001]

test failure unrelated