Remove extra bracket from BOUYANCY_DATA (#1903)

Co-authored-by: bundabrg <bundabrg@grieve.com.au>

connector/src/main/java/org/geysermc/connector/entity/BoatEntity.java

@@ -43,7 +43,7 @@ public class BoatEntity extends Entity {
      */
     private static final String BUOYANCY_DATA = "{\"apply_gravity\":true,\"base_buoyancy\":1.0,\"big_wave_probability\":0.02999999932944775," +
             "\"big_wave_speed\":10.0,\"drag_down_on_buoyancy_removed\":0.0,\"liquid_blocks\":[\"minecraft:water\"," +
-            "\"minecraft:flowing_water\"],\"simulate_waves\":false}}";
+            "\"minecraft:flowing_water\"],\"simulate_waves\":false}";
 
     private boolean isPaddlingLeft;
     private float paddleTimeLeft;