Remove redundant assignments of risk concept to checklists and templates.
diff --git a/epf_prac_151/core.mgmt.common.extend_supp/plugin.xmi b/epf_prac_151/core.mgmt.common.extend_supp/plugin.xmi
index 4a196a4..2357bd0 100644
--- a/epf_prac_151/core.mgmt.common.extend_supp/plugin.xmi
+++ b/epf_prac_151/core.mgmt.common.extend_supp/plugin.xmi
@@ -67,7 +67,7 @@
           <contentElements xsi:type="org.eclipse.epf.uma:Artifact" xmi:id="_Ckay8Cc_EduIsqH1Q6ZuqA" name="risk_list" guid="_Ckay8Cc_EduIsqH1Q6ZuqA" presentationName="Risk List" briefDescription="This artifact is a sorted list of known and open risks to the project, sorted in order of importance and associated with specific mitigation or contingency actions." conceptsAndPapers="_0bsLgMlgEdmt3adZL5Dmdw" checklists="_7BZa0DIdEduDTv4Y1akVTA" templates="_MIUO0C8FEduzydamRseoUw">
             <presentation xmi:id="-4VJ_0upihz-bR7VRlm63Vw" href="uma://-4VJ_0upihz-bR7VRlm63Vw#-4VJ_0upihz-bR7VRlm63Vw"/>
           </contentElements>
-          <contentElements xsi:type="org.eclipse.epf.uma:Checklist" xmi:id="_7BZa0DIdEduDTv4Y1akVTA" name="risk_list" guid="_7BZa0DIdEduDTv4Y1akVTA" presentationName="Risk List" briefDescription="This checklist provides guidance on assessing that all possible risks in a project have been considered." conceptsAndPapers="_0bsLgMlgEdmt3adZL5Dmdw" guidelines="_VNxL4ACsEdu8m4dIntu6jA">
+          <contentElements xsi:type="org.eclipse.epf.uma:Checklist" xmi:id="_7BZa0DIdEduDTv4Y1akVTA" name="risk_list" guid="_7BZa0DIdEduDTv4Y1akVTA" presentationName="Risk List" briefDescription="This checklist provides guidance on assessing that all possible risks in a project have been considered." guidelines="_VNxL4ACsEdu8m4dIntu6jA">
             <presentation xmi:id="-gqNN4DnROmJpgKtrdguhpg" href="uma://-gqNN4DnROmJpgKtrdguhpg#-gqNN4DnROmJpgKtrdguhpg"/>
           </contentElements>
           <contentElements xsi:type="org.eclipse.epf.uma:Artifact" xmi:id="_rGNWsCbSEdqh1LYUOGRh2A" name="work_items_list" guid="_rGNWsCbSEdqh1LYUOGRh2A" presentationName="Work Items List" briefDescription="This artifact contains a list of all of the scheduled work to be done within the project, as well as proposed work that may affect the product in this or future projects. Each work item may contain references to information relevant to carry out the work described within the work item." checklists="_xlrdEAVtEdy3F_fZDaPZVA" guidelines="_CGHskBEdEdqY7JB6N6CW2w" examples="_nHomIDgzEdu4E8ZdmlYjtA" templates="_QwUJYDg0Edu4E8ZdmlYjtA">
@@ -84,7 +84,7 @@
           </contentElements>
         </childPackages>
         <childPackages xsi:type="org.eclipse.epf.uma:ContentPackage" xmi:id="_onU40OFlEdyhmsbt0Xyl8A" name="management_resources (templates, reports, examples)" guid="_onU40OFlEdyhmsbt0Xyl8A" presentationName="Management Resources (Templates, Reports, Examples)">
-          <contentElements xsi:type="org.eclipse.epf.uma:Template" xmi:id="_MIUO0C8FEduzydamRseoUw" name="risk_list" guid="_MIUO0C8FEduzydamRseoUw" presentationName="Risk List" briefDescription="A list or table containing risk attributes. As it is usual to rank risks by priority, spreadsheets may be an alternative to capture risks" conceptsAndPapers="_0bsLgMlgEdmt3adZL5Dmdw">
+          <contentElements xsi:type="org.eclipse.epf.uma:Template" xmi:id="_MIUO0C8FEduzydamRseoUw" name="risk_list" guid="_MIUO0C8FEduzydamRseoUw" presentationName="Risk List" briefDescription="A list or table containing risk attributes. As it is usual to rank risks by priority, spreadsheets may be an alternative to capture risks">
             <presentation xmi:id="-OugFZJszm73z0_KSwRXZPw" href="uma://-OugFZJszm73z0_KSwRXZPw#-OugFZJszm73z0_KSwRXZPw"/>
           </contentElements>
           <contentElements xsi:type="org.eclipse.epf.uma:Example" xmi:id="_nHomIDgzEdu4E8ZdmlYjtA" name="work_items_list" guid="_nHomIDgzEdu4E8ZdmlYjtA" presentationName="Work Items List" briefDescription="This is an example of a partial Work Items List for a small team who just started to work on iteration 3.">