remove extraneous httpclient from common module

While the *apache* module very much needs httpclient, the core module
does not, and should not.

Author: cburroughs

common/pom.xml

@@ -46,11 +46,6 @@
                 </exclusion>
             </exclusions>
         </dependency>
-        <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpclient</artifactId>
-            <version>${dependency.apache-httpclient.version}</version>
-        </dependency>
     </dependencies>
 
     <build>