MDL-71209 behat: remove some useless "follow the course" steps

They are not really needed and, with the new course index (or
maybe with the new navigation, I've not checked), they don't work
any more. Hence, removing them.

admin/tool/lp/tests/behat/plan_crud.feature

@@ -152,7 +152,6 @@ Feature: Manage plearning plan
     And I create a course with:
       | Course full name | New course fullname |
       | Course short name | New course shortname |
-    And I follow "New course fullname"
     And I follow "Competencies"
     And I press "Add competencies to course"
     And "Competency picker" "dialogue" should be visible

course/tests/behat/max_number_sections.feature

@@ -27,7 +27,6 @@ Feature: The maximum number of weeks/topics in a course can be configured
       | Course short name | New course shortname |
       | Number of sections | 90 |
       | Format | Topics format |
-    And I follow "New course fullname"
     And I should see "Topic 90"
 
   @javascript
@@ -44,5 +43,4 @@ Feature: The maximum number of weeks/topics in a course can be configured
       | Course short name | New course shortname |
       | Number of sections | 0 |
       | Format | Topics format |
-    And I follow "New course fullname"
     And I should not see "Topic 1"