slightly cleaner slaves2indices

src/js/assayJS.tw

@@ -221,13 +221,9 @@ window.addSlave = function addSlave(slave) {
 };
 
 window.removeSlave = function removeSlave(index) {
-	delete State.variables.slaveIndices[State.variables.slaves[index].ID];
-	for (var key in State.variables.slaveIndices) {
-		if (State.variables.slaveIndices[key] > index) {
-			State.variables.slaveIndices[key] -= 1;
-		}
-	}
-	return State.variables.slaves.deleteAt(index);
+	const ret = State.variables.slaves.deleteAt(index);
+	State.variables.slaveIndices = slaves2indices();
+	return ret;
 };
 
 window.slaves2indices = function slaves2indices() {