Removed Unity projects from Entitas.sln
Removed Unity projects from Entitas.sln

sschmid/Entitas-CSharp,robinryf/Entitas-CSharp,sschmid/Entitas-CSharp,vkuskov/Entitas-CSharp,vkuskov/Entitas-CSharp,robinryf/Entitas-CSharp