Apply suggestions from code review

Co-authored-by: Patrick Miller <apickledwalrus@icloud.com>
Co-authored-by: SirSmurfy2 <82696841+Absolutionism@users.noreply.github.com>

Author: APickledWalrus

src/main/java/ch/njol/skript/expressions/ExprDustedStage.java

@@ -95,7 +95,7 @@ public void change(Event event, Object @Nullable [] delta, ChangeMode mode) {
 				case REMOVE -> Math2.addClamped(currentValue, -value);
 				default -> throw new IllegalArgumentException("Change mode " + mode + " is not valid for ExprDustedStage!");
 			};
-			brushable.setDusted( Math.clamp(newValue, 0, maxValue));
+			brushable.setDusted(Math.clamp(newValue, 0, maxValue));
 			if (obj instanceof Block block) {
 				block.setBlockData(brushable);
 			}

src/test/skript/tests/syntaxes/expressions/ExprDustedStage.sk

@@ -1,4 +1,4 @@
-test "dusting progress" when running minecraft "1.20":
+test "dusting progress":
 	set {_old} to block data of test-block
 	set block at test-block to suspicious gravel
 	set {_block} to block at test-block