chore(tests): Remove redundant op from acceptance tests (#94971)

These lines are made redundant by the following ones I added in
#94869, and can be removed (as
per review, but I merged eagerly).

Author: leeandher

tests/acceptance/test_link_team.py

@@ -69,7 +69,6 @@ def test_link_team(self):
         self.browser.click('[name="team"]')
         self.browser.click(f'[value="{self.team.id}"]')
         self.browser.click('[type="submit"]')
-        self.browser.wait_until_not(".loading")
         # Ensure we get to the next page before checking for the ExternalActor
         self.browser.wait_until_test_id("back-to-slack")
 
@@ -97,7 +96,6 @@ def test_link_team_as_team_admin(self):
 
         self.browser.click(f'[value="{self.team.id}"]')
         self.browser.click('[type="submit"]')
-        self.browser.wait_until_not(".loading")
         # Ensure we get to the next page before checking for the ExternalActor
         self.browser.wait_until_test_id("back-to-slack")