[SVG] remove deprecated SVG{Static,Animated}{,List}PropertyTearOff.h

These header files are not being referenced from anywhere. They were replaced by NewSVGAnimatedProperty.h

BUG=349370
TBR=haraken,pdr,fs

Review URL: https://codereview.chromium.org/188413003

git-svn-id: svn://svn.chromium.org/blink/trunk@168589 bbb929c8-8fbe-4397-9dbb-9b2b20218538