Remove @Beta from HashCode.

#3284

RELNOTES=Remove @beta from HashCode.
PiperOrigin-RevId: 352463984

Author: kluever

android/guava/src/com/google/common/hash/HashCode.java

@@ -18,7 +18,6 @@
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
 
-import com.google.common.annotations.Beta;
 import com.google.common.base.Preconditions;
 import com.google.common.primitives.Ints;
 import com.google.common.primitives.UnsignedInts;
@@ -33,7 +32,6 @@
  * @author Kurt Alfred Kluever
  * @since 11.0
  */
-@Beta
 public abstract class HashCode {
   HashCode() {}
 

guava/src/com/google/common/hash/HashCode.java

@@ -18,7 +18,6 @@
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
 
-import com.google.common.annotations.Beta;
 import com.google.common.base.Preconditions;
 import com.google.common.primitives.Ints;
 import com.google.common.primitives.UnsignedInts;
@@ -33,7 +32,6 @@
  * @author Kurt Alfred Kluever
  * @since 11.0
  */
-@Beta
 public abstract class HashCode {
   HashCode() {}