Remove deprecated

Browser/keywords/network.py

@@ -259,30 +259,6 @@ def wait_for_response(
             logger.debug(f"Returned response is of type {type(response)}")
             return response
 
-    @keyword(tags=("Wait", "HTTP"))
-    def wait_until_network_is_idle(self, timeout: timedelta | None = None):
-        """*DEPRECATED!!* Use `Wait For Load State` instead. rfbrowser transform --wait-until-network-is-idle path/to/test command automatically transforms keyword to new format.
-
-        If you have:
-        | `Wait Until Network Is Idle`    timeout=3s
-        then change it to:
-        | `Wait For Load State`    networkidle    timeout=3s
-
-        Waits until there has been at least one instance of 500 ms of no network traffic on the page after loading.
-
-        Doesn't wait for network traffic that wasn't initiated within 500ms of page load.
-
-        | =Arguments= | =Description= |
-        | ``timeout`` | Timeout supports Robot Framework time format. Uses browser timeout if not set. |
-
-        Example:
-        | `Go To`                         ${URL}
-        | `Wait Until Network Is Idle`    timeout=3s
-
-        [https://forum.robotframework.org/t//4350|Comment >>]
-        """
-        self.library.wait_for_load_state(PageLoadStates.networkidle, timeout)
-
     @keyword(tags=("Wait", "HTTP"))
     def wait_for_navigation(
         self,

atest/test/03_Waiting/wait_for_http.robot

@@ -129,13 +129,6 @@ Wait For Response With OPTIONS Request
     Should Be Equal As Numbers    ${res2.status}    204
     Should Be Equal    ${res2.body}    ${None}
 
-Wait Until Network Is Idle Works
-    [Tags]    slow
-    Go To    ${ROOT_URL}delayed-load.html
-    Get Text    \#server_delayed_response    ==    Server response after 400ms
-    Wait Until Network Is Idle    timeout=3s
-    Get Text    \#server_delayed_response    ==    after some time I respond
-
 Wait For Navigation Works
     [Tags]    slow
     Go To    ${ROOT_URL}redirector.html