Removes unused file
Removes unused file

Former-commit-id: e9a9c62e4b9b1199fb8297f3ce7a24d880733d56
jgraph/draw.io,jgraph/drawio,jgraph/draw.io,jgraph/draw.io,jgraph/drawio,jgraph/draw.io,jgraph/drawio,jgraph/draw.io