fdo#61272: Do the mapping correctly both for WMF and EMF.

Turns out that for the WMF, we already had everything set up correctly, we
were just overwriting the right settings with default data again :-) - fix
that.

Includes the following commits:

* Revert "wmf-mm-text-1.diff: Fix WMF rendering, n#417818"
* Revert "wmf-mm-text.diff: Fix WMF rendering, n#417818"
* fdo#56886 EMF: Fixes some scaling problems of clipped regions, Twips

Change-Id: I14b0c12b10f58eb7031f9da712dee76344c75159
Reviewed-on: https://gerrit.libreoffice.org/6802
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>