HBASE-29821 Fix maven-source-plugin duplicate jar failure (#7619)

Signed-off-by: Duo Zhang <zhangduo@apache.org>

Author: mnpoonia

hbase-hadoop2-compat/pom.xml

@@ -147,11 +147,6 @@ limitations under the License.
 
   <build>
     <plugins>
-      <!-- Make a jar and put the sources in the jar -->
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-source-plugin</artifactId>
-      </plugin>
       <plugin>
         <!--Make it so assembly:single does nothing in here-->
         <artifactId>maven-assembly-plugin</artifactId>

hbase-http/pom.xml

@@ -239,20 +239,6 @@
           <skipAssembly>true</skipAssembly>
         </configuration>
       </plugin>
-      <!-- Make a jar and put the sources in the jar -->
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-source-plugin</artifactId>
-        <executions>
-          <execution>
-            <goals>
-              <goal>jar</goal>
-              <goal>test-jar</goal>
-            </goals>
-            <phase>package</phase>
-          </execution>
-        </executions>
-      </plugin>
       <!-- Testing plugins -->
       <plugin>
         <artifactId>maven-surefire-plugin</artifactId>

hbase-protocol/pom.xml

@@ -51,11 +51,6 @@
   </dependencies>
   <build>
     <plugins>
-      <!-- Make a jar and put the sources in the jar -->
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-source-plugin</artifactId>
-      </plugin>
       <plugin>
         <!--Make it so assembly:single does nothing in here-->
         <artifactId>maven-assembly-plugin</artifactId>

hbase-rsgroup/pom.xml

@@ -189,11 +189,6 @@
           <skipAssembly>true</skipAssembly>
         </configuration>
       </plugin>
-      <!-- Make a jar and put the sources in the jar -->
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-source-plugin</artifactId>
-      </plugin>
       <plugin>
         <groupId>org.xolstice.maven.plugins</groupId>
         <artifactId>protobuf-maven-plugin</artifactId>