Remove DocFx markdown from README (#1853)
Remove DocFx markdown from README (#1853)


hellosnow/docfx,928PJY/docfx,superyyrrzz/docfx,928PJY/docfx,superyyrrzz/docfx,pascalberger/docfx,dotnet/docfx,superyyrrzz/docfx,pascalberger/docfx,dotnet/docfx,DuncanmaMSFT/docfx,pascalberger/docfx,DuncanmaMSFT/docfx,928PJY/docfx,hellosnow/docfx,hellosnow/docfx,dotnet/docfx