Revert "[DenseMap] Add memory barrier for sanitizers in getInlineBuckets/getLargeRep (#183457)" (#196143)
Revert #183457 and fixup #193695 as they are not needed after #194208.
Related issue #182720.
This reverts commit b5ac484470b9ceda96addcbc946f9ded4c5ef972.
This reverts commit 8d5b74db2d8f54da2609d18040504153c1afe5df.