Apply suggestions from code review

Co-authored-by: sovdee <[email protected]>

src/main/java/ch/njol/skript/effects/EffOpenInventory.java

@@ -73,8 +73,7 @@ private static enum OpenableInventorySyntax {
 				"Opening a stone cutter inventory requires PaperSpigot."),
 		WORKBENCH("(crafting [table]|workbench)");
 
-		@Nullable
-		private String methodError;
+		private @Nullable String methodError;
 
 		@Nullable
 		private Version version;
@@ -174,8 +173,7 @@ public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelaye
 	/**
 	 * Method because SecOpenInventory also uses this code block.
 	 */
-	@Nullable
-	public static Inventory createInventory(InventoryType type) {
+	public static @Nullable Inventory createInventory(InventoryType type) {
 		if (!type.isCreatable())
 			return null;
 		try {

src/main/java/ch/njol/skript/sections/SecOpenInventory.java

@@ -1,21 +1,3 @@
-/**
- *   This file is part of Skript.
- *
- *  Skript is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  Skript is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with Skript.  If not, see <http://www.gnu.org/licenses/>.
- *
- * Copyright Peter Güttinger, SkriptLang team and contributors
- */
 package ch.njol.skript.sections;
 
 import java.util.List;
@@ -52,7 +34,7 @@
 @Examples({
 	"show chest inventory to player:",
 		"\tset slot 1 of event-inventory to stone named \"example\"",
-		"open event-inventory to all players"
+		"\topen event-inventory to all players"
 })
 @Since("INSERT VERSION")
 public class SecOpenInventory extends Section {
@@ -69,8 +51,7 @@ public Inventory getInventory() {
 		}
 
 		@Override
-		@NotNull
-		public HandlerList getHandlers() {
+		public @NotNull HandlerList getHandlers() {
 			throw new IllegalStateException();
 		}
 	}