Merge pull request #3109 from izeye/patch-14

* patch-14:
  Remove duplicate in MetricExportProperties

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/export/MetricExportProperties.java

@@ -35,12 +35,8 @@ import org.springframework.util.StringUtils;
 @ConfigurationProperties("spring.metrics.export")
 public class MetricExportProperties extends TriggerProperties {
 
-	/**
-	 * Flag to disable all metric exports (assuming any MetricWriters are available).
-	 */
-	private boolean enabled = true;
-
-	private Map<String, SpecificTriggerProperties> triggers = new LinkedHashMap<String, SpecificTriggerProperties>();
+	private Map<String, SpecificTriggerProperties> triggers
+			= new LinkedHashMap<String, SpecificTriggerProperties>();
 
 	private Redis redis = new Redis();
 
@@ -70,16 +66,6 @@ public class MetricExportProperties extends TriggerProperties {
 		}
 	}
 
-	@Override
-	public boolean isEnabled() {
-		return this.enabled;
-	}
-
-	@Override
-	public void setEnabled(boolean enabled) {
-		this.enabled = enabled;
-	}
-
 	/**
 	 * Configuration for triggers on individual named writers. Each value can individually
 	 * specify a name pattern explicitly, or else the map key will be used if the name is