Revert [23307] so new users in multisite are not automatically subscribers on the main site.

props duck_.
fixes #25166 for trunk.
see #15627.

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git-svn-id: http://core.svn.wordpress.org/trunk@25155 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix folding/unfolding of the admin menu on new installs, props SergeyBiryukov, fixes #24921 for 3.6.1.
Built from https://develop.svn.wordpress.org/trunk@25186


git-svn-id: http://core.svn.wordpress.org/trunk@25158 1a063a9b-81f0-0310-95a4-ce76da25c4cd