Polishing.

Use module name defaulting to determine module prefix.

Closes #2762

src/main/java/org/springframework/data/redis/repository/configuration/RedisRepositoryConfigurationExtension.java

@@ -59,11 +59,6 @@ public class RedisRepositoryConfigurationExtension extends KeyValueRepositoryCon
 		return "Redis";
 	}
 
-	@Override
-	protected String getModulePrefix() {
-		return this.getModuleIdentifier();
-	}
-
 	@Override
 	protected String getDefaultKeyValueTemplateRef() {
 		return "redisKeyValueTemplate";