HADOOP-11737. mockito's version in hadoop-nfs’ pom.xml shouldn't be specified. Contributed by Kengo Seki.

(cherry picked from commit 0b9f12c847e26103bc2304cf7114e6d103264669)

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -26,6 +26,9 @@ Release 2.8.0 - UNRELEASED
     HADOOP-11447. Add a more meaningful toString method to SampleStat and 
     MutableStat. (kasha)
 
+    HADOOP-11737. mockito's version in hadoop-nfs’ pom.xml shouldn't be
+    specified. (Kengo Seki via ozawa)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-common-project/hadoop-nfs/pom.xml

@@ -55,7 +55,6 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-all</artifactId>
-      <version>1.8.5</version>
     </dependency>
     <dependency>
       <groupId>commons-logging</groupId>