MOBILE-4712 enrol: Remove "No enrolment key required" string

scripts/langindex.json

@@ -256,7 +256,6 @@
   "addon.enrol_guest.passwordinvalid": "enrol_guest",
   "addon.enrol_self.confirmselfenrol": "local_moodlemobileapp",
   "addon.enrol_self.errorselfenrol": "local_moodlemobileapp",
-  "addon.enrol_self.nopassword": "enrol_self",
   "addon.enrol_self.password": "enrol_self",
   "addon.enrol_self.pluginname": "enrol_self",
   "addon.messageoutput_airnotifier.processorsettingsdesc": "local_moodlemobileapp",

src/addons/enrol/self/lang.json

@@ -1,7 +1,6 @@
 {
     "confirmselfenrol": "Are you sure you want to enrol yourself in this course?",
     "errorselfenrol": "An error occurred while self enrolling.",
-    "nopassword": "No enrolment key required.",
     "password": "Enrolment key",
     "pluginname": "Self enrolment"
 }

src/addons/enrol/self/services/enrol-handler.ts

@@ -88,9 +88,9 @@ export class AddonEnrolSelfHandlerService implements CoreEnrolSelfHandler {
         if (!info.enrolpassword) {
             try {
                 await CoreDomUtils.showConfirm(
-                    Translate.instant('addon.enrol_self.confirmselfenrol') + '<br>' +
-                    Translate.instant('addon.enrol_self.nopassword'),
+                    Translate.instant('addon.enrol_self.confirmselfenrol'),
                     method.name,
+                    Translate.instant('core.courses.enrolme'),
                 );
             } catch {
                 // User cancelled.

src/core/features/course/tests/behat/basic_usage.feature

@@ -468,7 +468,7 @@ Feature: Test basic usage of one course in app
     And I press "Available courses" in the app
     And I press "Course 1" in the app
     And I press "Enrol me" in the app
-    And I press "OK" in the app
+    And I press "Enrol me" in the app
     And I wait loading to finish in the app
     Then the header should be "Course 1" in the app
     And I should find "Test forum name" in the app