Update outdated proxy message to check for 1.20.2, remove floodgate 1.0 checks (#4204)

bootstrap/bungeecord/src/main/java/org/geysermc/geyser/platform/bungeecord/GeyserBungeePlugin.java

@@ -77,7 +77,7 @@ public class GeyserBungeePlugin extends Plugin implements GeyserBootstrap {
         // Copied from ViaVersion.
         // https://github.com/ViaVersion/ViaVersion/blob/b8072aad86695cc8ec6f5e4103e43baf3abf6cc5/bungee/src/main/java/us/myles/ViaVersion/BungeePlugin.java#L43
         try {
-            ProtocolConstants.class.getField("MINECRAFT_1_19_3");
+            ProtocolConstants.class.getField("MINECRAFT_1_20_2");
         } catch (NoSuchFieldException e) {
             getLogger().warning("      / \\");
             getLogger().warning("     /   \\");
@@ -111,11 +111,6 @@ public class GeyserBungeePlugin extends Plugin implements GeyserBootstrap {
 
     @Override
     public void onEnable() {
-        // Remove this in like a year
-        if (getProxy().getPluginManager().getPlugin("floodgate-bungee") != null) {
-            geyserLogger.severe(GeyserLocale.getLocaleStringLog("geyser.bootstrap.floodgate.outdated", "https://ci.opencollab.dev/job/GeyserMC/job/Floodgate/job/master/"));
-            return;
-        }
 
         // Force-disable query if enabled, or else Geyser won't enable
         for (ListenerInfo info : getProxy().getConfig().getListeners()) {

bootstrap/velocity/src/main/java/org/geysermc/geyser/platform/velocity/GeyserVelocityPlugin.java

@@ -114,16 +114,6 @@ public class GeyserVelocityPlugin implements GeyserBootstrap {
         GeyserConfiguration.checkGeyserConfiguration(geyserConfig, geyserLogger);
 
         this.geyser = GeyserImpl.load(PlatformType.VELOCITY, this);
-
-        // Remove this in like a year
-        try {
-            // Should only exist on 1.0
-            Class.forName("org.geysermc.floodgate.FloodgateAPI");
-            geyserLogger.severe(GeyserLocale.getLocaleStringLog("geyser.bootstrap.floodgate.outdated",
-                    "https://ci.opencollab.dev/job/GeyserMC/job/Floodgate/job/master/"));
-            return;
-        } catch (ClassNotFoundException ignored) {
-        }
     }
 
     private void postStartup() {