Remove Create_Workspace() in xml: follow up step removes it

The first thing Build_Proxy does is to remove the repository. Further,
Build_Proxy does not use the OAI RAN repo, but the proxy repo. The
Create_Workspace() is therefore completely useless.

ci-scripts/xml_files/container_l2sim_proxy.xml

@@ -25,17 +25,10 @@
         <htmlTabName>Build L2sim proxy image</htmlTabName>
         <htmlTabIcon>wrench</htmlTabIcon>
         <TestCaseRequestedList>
- 100001
  000001
         </TestCaseRequestedList>
         <TestCaseExclusionList></TestCaseExclusionList>
 
-        <testCase id="100001">
-                <class>Create_Workspace</class>
-                <desc>Create new Workspace</desc>
-                <eNB_instance>1</eNB_instance>
-                <eNB_serverId>1</eNB_serverId>
-        </testCase>
         <testCase id="000001">
                 <class>Build_Proxy</class>
                 <desc>Build L2sim Proxy Image</desc>