Remove deprecated APIs

- ValidatedSlot.getFilter
- ValidatedSlot.setFilter
- WItemSlot.getFilter
- WItemSlot.setFilter
- WListPanel.margin

src/main/java/io/github/cottonmc/cotton/gui/ValidatedSlot.java

@@ -156,30 +156,6 @@ public void setOutputFilter(Predicate<ItemStack> outputFilter) {
 		this.outputFilter = outputFilter;
 	}
 
-	/**
-	 * Gets the item stack filter of this slot.
-	 *
-	 * @return the item filter
-	 * @deprecated Replaced by {@link #getInputFilter()}
-	 * @since 2.0.0
-	 */
-	@Deprecated(forRemoval = true)
-	public Predicate<ItemStack> getFilter() {
-		return inputFilter;
-	}
-
-	/**
-	 * Sets the item stack filter of this slot.
-	 *
-	 * @param filter the new item filter
-	 * @deprecated Replaced by {@link #setInputFilter(Predicate)}
-	 * @since 2.0.0
-	 */
-	@Deprecated(forRemoval = true)
-	public void setFilter(Predicate<ItemStack> filter) {
-		setInputFilter(filter);
-	}
-
 	/**
 	 * Adds a change listener to this slot.
 	 * Does nothing if the listener is already registered.

src/main/java/io/github/cottonmc/cotton/gui/widget/WItemSlot.java

@@ -481,31 +481,6 @@ public WItemSlot setOutputFilter(Predicate<ItemStack> outputFilter) {
 		return this;
 	}
 
-	/**
-	 * Gets the item filter of this item slot.
-	 *
-	 * @return the item filter
-	 * @deprecated Replaced by {@link #getInputFilter()}
-	 * @since 2.0.0
-	 */
-	@Deprecated(forRemoval = true)
-	public Predicate<ItemStack> getFilter() {
-		return inputFilter;
-	}
-
-	/**
-	 * Sets the item filter of this item slot.
-	 *
-	 * @param filter the new item filter
-	 * @return this item slot
-	 * @deprecated Replaced by {@link #setInputFilter(Predicate)}
-	 * @since 2.0.0
-	 */
-	@Deprecated(forRemoval = true)
-	public WItemSlot setFilter(Predicate<ItemStack> filter) {
-		return setInputFilter(filter);
-	}
-
 	@Environment(EnvType.CLIENT)
 	@Override
 	public void paint(DrawContext context, int x, int y, int mouseX, int mouseY) {

src/main/java/io/github/cottonmc/cotton/gui/widget/WListPanel.java

@@ -9,7 +9,6 @@
 import io.github.cottonmc.cotton.gui.widget.data.Axis;
 import io.github.cottonmc.cotton.gui.widget.data.InputResult;
 import io.github.cottonmc.cotton.gui.widget.data.Insets;
-import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -55,15 +54,8 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel {
 	 */
 	protected boolean fixedHeight = false;
 
-	/**
-	 * @deprecated Replaced with {@link #getInsets() insets} and {@link #getGap() gap}.
-	 */
-	@Deprecated(forRemoval = true)
-	protected int margin = 4;
-
-	// When the margin field is removed, these should get default values Insets(4, 4) and 4.
-	private @Nullable Insets insets = null;
-	private int gap = -1;
+	private Insets insets = new Insets(4, 4);
+	private int gap = 4;
 
 	/**
 	 * The scroll bar of this list.
@@ -254,7 +246,7 @@ public WScrollBar getScrollBar() {
 	 */
 	public Insets getInsets() {
 		// Returns the *effective* insets of this list for backwards compat.
-		return insets != null ? insets : new Insets(margin, margin);
+		return insets;
 	}
 
 	/**
@@ -275,7 +267,7 @@ public WListPanel<D, W> setInsets(Insets insets) {
 	 */
 	public int getGap() {
 		// Returns the *effective* gap of this list for backwards compat.
-		return gap >= 0 ? gap : margin;
+		return gap;
 	}
 
 	/**