Revert "Allow markers to be used as light sources (#9733)" (#10490)

This reverts commit 8626082068.

core/src/mindustry/logic/LExecutor.java

@@ -1548,7 +1548,6 @@ public class LExecutor{
                     }
                 }
                 case ambientLight -> state.rules.ambientLight.fromDouble(value.num());
-                case unitLight -> state.rules.unitLight = value.bool();
                 case solarMultiplier -> state.rules.solarMultiplier = Math.max(value.numf(), 0f);
                 case dragMultiplier -> state.rules.dragMultiplier = Math.max(value.numf(), 0f);
                 case ban -> {

core/src/mindustry/logic/LMarkerControl.java

@@ -4,7 +4,6 @@ public enum LMarkerControl{
     remove,
     world("true/false"),
     minimap("true/false"),
-    light("true/false"),
     autoscale("true/false"),
     pos("x", "y"),
     endPos("x", "y"),

core/src/mindustry/logic/LogicRule.java

@@ -15,7 +15,6 @@ public enum LogicRule{
     lighting,
     canGameOver,
     ambientLight,
-    unitLight,
     solarMultiplier,
     dragMultiplier,
     ban,