Revert "Due to more async loading the tests could fail, trying to fix it with wait_for_requests"

This reverts commit 0c33f384bb2fd2bd97efa4d3fec2888393683fb1.

spec/features/projects/user_browses_files_spec.rb

@@ -87,8 +87,6 @@ describe 'User browses files' do
 
       visit(project_tree_path(project, "'test'"))
 
-      wait_for_requests
-
       expect(page).to have_css('.tree-commit-link', visible: true)
       expect(page).not_to have_content('Loading commit data...')
     end
@@ -102,8 +100,6 @@ describe 'User browses files' do
 
       visit(project_tree_path(project, 'fix/.testdir'))
 
-      wait_for_requests
-
       expect(page).to have_css('.tree-commit-link', visible: true)
       expect(page).not_to have_content('Loading commit data...')
     end