8338564: Remove obsolete AbstractNamedEntry::equals method

Reviewed-by: liach

Author: asotona

src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java

@@ -534,15 +534,6 @@ public Utf8Entry name() {
         public String asInternalName() {
             return ref1.stringValue();
         }
-
-        @Override
-        public boolean equals(Object o) {
-            if (o == this) { return true; }
-            if (o instanceof AbstractNamedEntry ne) {
-                return tag == ne.tag() && name().equals(ref1());
-            }
-            return false;
-        }
     }
 
     public static final class ClassEntryImpl extends AbstractNamedEntry implements ClassEntry {