Revert "Added login check for ES connection/indexes."

This reverts commit 47a799eeb10a2181a367f0542ed133cbc79d08a4.
Revert "Revert "Added login check for ES connection/indexes.""

This reverts commit 836688064d020b1738b5e4b894bac345d58adc43.
Remove Tika from list of format identification options

refs #4965