adjust logs and time for cleanup task

releng.control/cc_config.xml

@@ -113,7 +113,7 @@
     <project requireModification="false"
         name="cleanup-artifacts-B">
         <schedule
-            interval="${time.oneHour}">
+            interval="${time.twentyFourHours}">
             <exec
                 workingdir="${env.BUILD_HOME}/releng.control"
                 command="${env.BUILD_HOME}/releng.control/cleanupArtifacts.sh">
@@ -123,6 +123,10 @@
             especially since the ant default antpublisher will
             result in error, if an ant build hasn't ran! -->
         <publishers>
+            <antpublisher>
+            </antpublisher>
+            <htmlemail>
+            </htmlemail>
         </publishers>
     </project>
     <project
@@ -217,7 +221,7 @@
         name="patches-R1.5-P"
         forceOnly="true">
         <schedule
-            interval="${time.oneHour}">
+            interval="${time.veryLongTime}">
             <ant>
                 <property
                     name="buildType"