Revert "Major changes to animation methods, added ne initialisation and"

This reverts commit 46a566a426d2d892840fd8e36189b3348856c75f.
[OE-1940] modified the refraction eyedraw widget subclass to include the fields typically associated with the refraction eyedraw (taken from the examination module).
[OE-1940] modified the refraction eyedraw widget subclass to encapsulate the fields associated with the refraction eyedraw.
[OE-1940] added cataract assessment eyedraw widget subclass.
[OE-1940] added posterior segment eyedraw widget subclass.
[OE-1940] added eyedraw widget subclass for anterior segment.
[OE-1988] disabled catching the scrollwheel event when there is no selected doodle.
[OE-1988] disabled catching the scrollwheel event when there is no selected doodle.
Merge branch 'feature/widgetising' into release/1.1-moorfields
updated refraction eyedraw widget to use a passed array of refraction types instead of the list in examination.
Refraction Other field
CataractAssessement merged with AnteriorSegment
Modifed behaviour of reporting to allow default to 'No abnormality' for
AntSeg and PostPole doodles
Fix PXE side bug (OE-2228)
Merge branch 'release/1.1-moorfields' of github.com:openeyes/EyeDraw into release/1.1-moorfields
Added additional posterior pole doodles
Added icons for new doodles
Merge branch 'release/1.1-moorfields' of github.com:openeyes/EyeDraw into release/1.1-moorfields
Added additional doodles for posterior segment
Prevented re-scaling of three IOL doodles