IGNITE-26580 Remove unused methods

Author: sergey-chugunov-1985

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheAttributes.java

@@ -29,7 +29,6 @@
 import org.apache.ignite.configuration.NearCacheConfiguration;
 import org.apache.ignite.configuration.TransactionConfiguration;
 import org.apache.ignite.internal.util.typedef.internal.S;
-import org.apache.ignite.lang.IgniteBiPredicate;
 import org.jetbrains.annotations.Nullable;
 
 import static org.apache.ignite.configuration.CacheConfiguration.DFLT_CACHE_ATOMICITY_MODE;
@@ -154,24 +153,6 @@ public boolean affinityIncludeNeighbors() {
             && !((RendezvousAffinityFunction)aff).isExcludeNeighbors();
     }
 
-    /**
-     * @return Affinity backup filter class name.
-     */
-    public @Nullable String affinityBackupFilterClass() {
-        AffinityFunction aff = ccfg.getAffinity();
-
-        return aff instanceof RendezvousAffinityFunction ? className(((RendezvousAffinityFunction)aff).getAffinityBackupFilter()) : null;
-    }
-
-    /**
-     * @return Affinity backup filter.
-     */
-    public @Nullable IgniteBiPredicate<?, ?> affinityBackupFilter() {
-        AffinityFunction aff = ccfg.getAffinity();
-
-        return (aff instanceof RendezvousAffinityFunction) ? ((RendezvousAffinityFunction)aff).getAffinityBackupFilter() : null;
-    }
-
     /**
      * @return Affinity key backups.
      */