Issue #3589004 by danherrero: Remove unnecessary node_access_needs_rebuild()...

Dan Herrerorequested to merge
issue/prevent_homepage_deletion-3589004:3589004-remove-unnecessary-calls-from-hook-install into 3.x

Issue #3589004 by danherrero: Remove unnecessary node_access_needs_rebuild() and drupal_flush_all_caches() calls from hook_install()

Closes #3589004

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