MDL-30950 remove references to removed admin block

Credit goes to Ralf Hilgenstock.

backup/cc/cc2moodle.php

@@ -379,7 +379,7 @@ class cc2moodle {
             if (!empty($CFG->defaultblocks)) {
                 $blocknames = $CFG->defaultblocks;
             } else {
-                $blocknames = 'participants,activity_modules,search_forums,admin,course_list:news_items,calendar_upcoming,recent_activity';
+                $blocknames = 'participants,activity_modules,search_forums,course_list:news_items,calendar_upcoming,recent_activity';
             }
         }
 

config-dist.php

@@ -196,17 +196,17 @@ $CFG->admin = 'admin';
 //
 // These variables define DEFAULT block variables for new courses
 // If this one is set it overrides all others and is the only one used.
-//      $CFG->defaultblocks_override = 'participants,activity_modules,search_forums,admin,course_list:news_items,calendar_upcoming,recent_activity';
+//      $CFG->defaultblocks_override = 'participants,activity_modules,search_forums,course_list:news_items,calendar_upcoming,recent_activity';
 //
 // These variables define the specific settings for defined course formats.
 // They override any settings defined in the formats own config file.
-//      $CFG->defaultblocks_site = 'site_main_menu,admin,course_list:course_summary,calendar_month';
-//      $CFG->defaultblocks_social = 'participants,search_forums,calendar_month,calendar_upcoming,social_activities,recent_activity,admin,course_list';
-//      $CFG->defaultblocks_topics = 'participants,activity_modules,search_forums,admin,course_list:news_items,calendar_upcoming,recent_activity';
-//      $CFG->defaultblocks_weeks = 'participants,activity_modules,search_forums,admin,course_list:news_items,calendar_upcoming,recent_activity';
+//      $CFG->defaultblocks_site = 'site_main_menu,course_list:course_summary,calendar_month';
+//      $CFG->defaultblocks_social = 'participants,search_forums,calendar_month,calendar_upcoming,social_activities,recent_activity,course_list';
+//      $CFG->defaultblocks_topics = 'participants,activity_modules,search_forums,course_list:news_items,calendar_upcoming,recent_activity';
+//      $CFG->defaultblocks_weeks = 'participants,activity_modules,search_forums,course_list:news_items,calendar_upcoming,recent_activity';
 //
 // These blocks are used when no other default setting is found.
-//      $CFG->defaultblocks = 'participants,activity_modules,search_forums,admin,course_list:news_items,calendar_upcoming,recent_activity';
+//      $CFG->defaultblocks = 'participants,activity_modules,search_forums,course_list:news_items,calendar_upcoming,recent_activity';
 //
 // You can specify a different class to be created for the $PAGE global, and to
 // compute which blocks appear on each page. However, I cannot think of any good