Revert "CRM-14169 - require access CiviCRM permission in addtion to access CiviEvent permission in order to create a new event and in order to access Manage Events page (event/manage path)."

This reverts commit be87f5a989291fc7f2d5f247daa26375664bb9ec.
CRM-14169 - Reverted the change to require access CiviCRM since creating an event does work for auth user with access CiviEvent and there are use cases for this. We will add a config warning separately if inappropriate perms have been granted to anonymous users. Removed access CiviCRM requirement from ajax.locBlock since that breaks the Location tab in events for users who can otherwise properly create an event.

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* CRM-14169:
  http://issues.civicrm.org/jira/browse/CRM-14169
Merge pull request #2476 from davecivicrm/CRM-14169b

Crm 14169b