Revert "SERVER-8418 Enable usePowerOf2Sizes on collection upon text index creation."

This reverts commit 6ddad8c0d34bdd0e1c08a85cf35b1fd0f0f235e2.
Breaking slowNightly/32bit.js
SERVER-8637: don't reuse scope if an exception was thrown
SERVER-8513 Fixed $setOnInsert to allow in-place update if it's a no-op.
SERVER-8574 contact all config servers before waiting for distributed lock on config upgrade
SERVER-8635: don't attempt to cleanup mr after an error
SERVER-8601 end line on waiting for distributed lock message