fdo#62475 - remove visual noise

- remove "borders"
- move method explanations if misplaced
- rewrite for Doxygen if needed
- "shrink" multiple blank lines

Change-Id: Ia4678b7f2456de70eb307e9c0d80c4ecd068048b
(un)doxygen-ize comments in sw/source/core/layout/

Change-Id: Ia7bcbb6e16e78e2fe9d14cd11052293baebca3d2
fix comment (referenced class was renamed)

Change-Id: I7537061da3f4110d5f472719065f54d714604fa8
deleted code that was commented out in sw/source/core/layout/

Change-Id: Idd251a1b82dd8795b7c0087e1e4b9aeed53b2d82
fixed indentation for consistent code layout in sw/source/core/layout/

Change-Id: Iec2ad7d542a107458ab20144e53639997d9e54e6