Revert "LPS-42073 Apply changes to portlets"

This reverts commit fdd7841e5fbbb02dea0b3c174ed73e953de9fc53.
SOS-1871 Removing gutters in layouts.
SOS-1871 Copy _aui_variables.scss from html/themes/_stayled/css/
SOS-1871 Overriding _aui_variables styling to remove gutters
SOS-1882 fix tag misalignment
SOS-1831 Removing outline on textarea in Microblogs porlet IE
SOS-1831 S/F
SOS-1905 Clicking on 'X Comments' button does not always show all comments
SOS-1912 Repost popup window does not close
SOS-1922 Don't show activity tabs on profile page
SOS-1922 SF - little easier to read
SOS-1910 Fix permission check for calendar bookings
SOS-1914 Abstract out to a util class
SOS-1914 SF
SOS-1914 Comments go on the file entry and not specific versions in CE
LPS-40971  Usability bug - On a mobile device, it is difficult to navigate to a thread that is nested in subcategories
LPS-42283 Getting value firstly from input, instead of from bean
LIFERAYQA-6246