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

tests/acceptance/features/apiContract/copy.feature

@@ -1,4 +1,3 @@
-@api
 Feature: Copy test
   As a user
   I want to check the PROPFIND response
@@ -23,4 +22,4 @@ Feature: Copy test
       | Oc-Fileid                   | /^[a-f0-9!\$\-]{110}$/ |
       | Access-Control-Allow-Origin | /^[*]{1}$/             |
       | X-Request-Id                | /^[a-f0-9!\-]{36}$/    |
-      
+

tests/acceptance/features/apiContract/propfind.feature

@@ -1,4 +1,3 @@
-@api
 Feature: Propfind test
   As a user
   I want to check the PROPFIND response

tests/acceptance/features/apiContract/sharesReport.feature

@@ -1,4 +1,3 @@
-@api
 Feature: REPORT request to Shares space
   As a user
   I want to check the share REPORT response

tests/acceptance/features/apiContract/spacesReport.feature

@@ -1,4 +1,3 @@
-@api
 Feature: REPORT request to project space
   As a user
   I want to check the REPORT response of project spaces

tests/acceptance/features/apiContract/spacesSharesReport.feature

@@ -1,4 +1,3 @@
-@api 
 Feature: Report test
   As a user
   I want to check the share REPORT response
@@ -61,7 +60,7 @@ Feature: Report test
       | oc:permissions     | SD                                               |
       | d:getcontentlength | 12                                               |
 
-    
+
   Scenario: search for the shared folder when the share is not accepted
     Given user "Alice" has created a share inside of space "find data" with settings:
       | path      | folderMain |