removal drools-docs from the repository as it contains invalid artifacts for the source release (apache policy issues) (apache#6327)

Author: porcelli

bom/drools-bom/pom.xml

@@ -1118,12 +1118,6 @@
         <version>${project.version}</version>
         <classifier>sources</classifier>
       </dependency>
-      <dependency>
-        <groupId>org.drools</groupId>
-        <artifactId>drools-docs</artifactId>
-        <version>${project.version}</version>
-        <type>zip</type>
-      </dependency>
       <dependency>
         <groupId>org.drools</groupId>
         <artifactId>drools-distribution</artifactId>