removing @api tag from all acceptance feature files (#7027)

tests/acceptance/features/apiAccountsHashDifficulty/addUser.feature

@@ -1,4 +1,4 @@
-@api @provisioning_api-app-required  @skipOnGraph @skipOnReva
+@provisioning_api-app-required  @skipOnGraph @skipOnReva
 Feature: add user
   As an admin
   I want to be able to add users and store their password with the full hash difficulty

tests/acceptance/features/apiAccountsHashDifficulty/assignRole.feature

@@ -1,10 +1,9 @@
-@api
 Feature: assign role
   As an admin,
   I want to assign roles to users
-  So that I can provide them different authority 
+  So that I can provide them different authority
+
 
-  
   Scenario Outline: only admin user can see all existing roles
     Given user "Alice" has been created with default attributes and without skeleton files
     And the administrator has given "Alice" the role "<userRole>" using the settings api

tests/acceptance/features/apiAccountsHashDifficulty/createShareToSharesFolder.feature

@@ -1,4 +1,4 @@
-@api @skipOnReva
+@skipOnReva
 Feature: sharing
   As a user
   I want to be able to share files when passwords are stored with the full hash difficulty

tests/acceptance/features/apiAccountsHashDifficulty/uploadFile.feature

@@ -1,4 +1,4 @@
-@api @skipOnReva
+@skipOnReva
 Feature: upload file
   As a user
   I want to be able to upload files when passwords are stored with the full hash difficulty

tests/acceptance/features/apiAccountsHashDifficulty/webDavPUTAuthInvalid.feature

@@ -1,4 +1,4 @@
-@api @skipOnReva
+@skipOnReva
 Feature: attempt to PUT files with invalid password
   As an admin
   I want the system to be secure when passwords are stored with the full hash difficulty