[1.21.2] Remove deprecated Item onEntitySwing methods

[ApexModder]

Simple PR which removes the deprecated onEntitySwing methods. These were marked deprecated and for removal in #1499

[neoforged-pr-publishing]

• Publish PR to GitHub Packages

Last commit published: 9a28b1ad9de76b70ca52d49e4e28194095743af9.

PR Publishing

The artifacts published by this PR:

• 📦 net.neoforged:testframework:21.2.0-alpha.1.21.2-rc1.20241020.205441
• 📦 net.neoforged:neoforge:21.2.0-alpha.1.21.2-rc1.20241020.205441

Repository Declaration

In order to use the artifacts published by the PR, add the following repository to your buildscript:

repositories {
    maven {
        name 'Maven for PR #1602' // https://github.com/neoforged/NeoForge/pull/1602
        url 'https://prmaven.neoforged.net/NeoForge/pr1602'
        content {
            includeModule('net.neoforged', 'testframework')
            includeModule('net.neoforged', 'neoforge')
        }
    }
}

MDK installation

In order to setup a MDK using the latest PR version, run the following commands in a terminal.
The script works on both *nix and Windows as long as you have the JDK bin folder on the path.
The script will clone the MDK in a folder named NeoForge-pr1602.
On Powershell you will need to remove the -L flag from the curl invocation.

mkdir NeoForge-pr1602
cd NeoForge-pr1602
curl -L https://prmaven.neoforged.net/NeoForge/pr1602/net/neoforged/neoforge/21.2.0-alpha.1.21.2-rc1.20241020.205441/mdk-pr1602.zip -o mdk.zip
jar xf mdk.zip
rm mdk.zip || del mdk.zip

To test a production environment, you can download the installer from here.