Fix 360 Photo example;

examples/360_Photo/main.lua

@@ -5,6 +5,5 @@ function lovr.load()
 end
 
 function lovr.draw()
-  local angle, x, y, z = lovr.headset.getOrientation()
-  lovr.graphics.skybox(skybox, -angle, x, y, z)
+  lovr.graphics.skybox(skybox)
 end