HADOOP-14628. Upgrade maven enforcer plugin to 3.0.0-M1.

hadoop-client-modules/hadoop-client-check-invariants/pom.xml

@@ -46,7 +46,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>1.4</version>
         <dependencies>
           <dependency>
             <groupId>org.codehaus.mojo</groupId>

hadoop-client-modules/hadoop-client-check-test-invariants/pom.xml

@@ -50,7 +50,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>1.4</version>
         <dependencies>
           <dependency>
             <groupId>org.codehaus.mojo</groupId>

pom.xml

@@ -97,7 +97,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
     <maven-antrun-plugin.version>1.7</maven-antrun-plugin.version>
     <maven-assembly-plugin.version>2.4</maven-assembly-plugin.version>
     <maven-dependency-plugin.version>2.10</maven-dependency-plugin.version>
-    <maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
+    <maven-enforcer-plugin.version>3.0.0-M1</maven-enforcer-plugin.version>
     <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
     <maven-gpg-plugin.version>1.5</maven-gpg-plugin.version>
     <maven-remote-resources-plugin.version>1.5</maven-remote-resources-plugin.version>