Revert "Fix dropType de-serialization"

src/main/java/emu/grasscutter/utils/objects/DropType.java

@@ -1,47 +0,0 @@
-package emu.grasscutter.utils.objects;
-
-import lombok.Getter;
-
-@Getter
-public final class DropType {
-    private final Object raw;
-    private final int value;
-
-    public DropType(int value) {
-        this.raw = value;
-        this.value = value;
-    }
-
-    public DropType(String value) {
-        this.raw = value;
-        this.value = switch (value) {
-            default -> Integer.parseInt(value);
-            case "ForceDrop" -> 2;
-        };
-    }
-
-    /**
-     * @return Whether the drop type value is a string.
-     */
-    public boolean isString() {
-        return this.raw instanceof String;
-    }
-
-    /**
-     * @return The drop type value as a string.
-     */
-    public String getAsString() {
-        if (this.raw instanceof String)
-            return (String) this.raw;
-        throw new UnsupportedOperationException();
-    }
-
-    /**
-     * @return The drop type value as an integer.
-     */
-    public int getAsInt() {
-        if (this.raw instanceof Integer)
-            return (int) this.raw;
-        throw new UnsupportedOperationException();
-    }
-}