Fix Spigot annotation mistakes

while some of these may of been true, they are extreme cases and cause
a ton of noise to plugin developers.

Use ApiStatus.Internal instead of Deprecated for actual internal API
that continues to have use (internally).

These do not help plugin developers if they bring moise noise than value.

paper-api/src/main/java/org/bukkit/potion/PotionEffectType.java

@@ -278,9 +278,9 @@ public abstract class PotionEffectType implements Keyed, Translatable {
      * Returns the unique ID of this type.
      *
      * @return Unique ID
-     * @deprecated Magic value
+     * @deprecated use {@link #key()}
      */
-    @Deprecated(since = "1.6.2")
+    @Deprecated(since = "1.6.2", forRemoval = true) // Paper
     public abstract int getId();
 
     /**
@@ -316,9 +316,9 @@ public abstract class PotionEffectType implements Keyed, Translatable {
      *
      * @param id Unique ID to fetch
      * @return Resulting type, or null if not found.
-     * @deprecated Magic value
+     * @apiNote Internal Use Only
      */
-    @Deprecated(since = "1.6.2")
+    @org.jetbrains.annotations.ApiStatus.Internal // Paper
     @Nullable
     public static PotionEffectType getById(int id) {
         PotionEffectType type = ID_MAP.get(id);