draft: Address false positives in code style issues (#3461)

* chore: Address false positive code style issues

* chore: More work

* More work

Core/src/main/java/com/plotsquared/core/player/MetaDataAccess.java

@@ -53,7 +53,7 @@ public abstract class MetaDataAccess<T> implements AutoCloseable {
         this.lockAccess = lockAccess;
     }
 
-    @SuppressWarnings("ALL")
+    @SuppressWarnings("unchecked")
     private static <E extends Throwable> void sneakyThrow(final Throwable e) throws E {
         throw (E) e;
     }

Core/src/main/java/com/plotsquared/core/plot/flag/FlagContainer.java

@@ -96,7 +96,7 @@ public class FlagContainer {
     }
 
     /**
-     * Cast a plot flag with wildcard parameters into a parametrisized
+     * Cast a plot flag with wildcard parameters into a parametrized
      * PlotFlag. This is an unsafe operation, and should only be performed
      * if the generic parameters are known beforehand.
      *
@@ -105,7 +105,7 @@ public class FlagContainer {
      * @param <T>  Flag type
      * @return Casted flag
      */
-    @SuppressWarnings("ALL")
+    @SuppressWarnings("unchecked")
     public static <V, T extends PlotFlag<V, ?>> T castUnsafe(
             final PlotFlag<?, ?> flag
     ) {
@@ -181,6 +181,7 @@ public class FlagContainer {
      * @param <V>  flag value type
      * @return value of flag removed
      */
+    @SuppressWarnings("unchecked")
     public <V, T extends PlotFlag<V, ?>> V removeFlag(final T flag) {
         final Object value = this.flagMap.remove(flag.getClass());
         if (this.plotFlagUpdateHandler != null) {

Core/src/main/java/com/plotsquared/core/util/EntityUtil.java

@@ -73,6 +73,7 @@ public class EntityUtil {
         return i;
     }
 
+    @SuppressWarnings("unchecked")
     public static boolean checkEntity(Plot plot, PlotFlag<Integer, ?>... flags) {
         if (Settings.Done.RESTRICT_BUILDING && DoneFlag.isDone(plot)) {
             return true;