ci: fix docbuild for ubuntu 24.04

Removing setuptool, wheel and pip as they are most likely redundant

Signed-off-by: Kari Hamalainen <kari.hamalainen@nordicsemi.no>

Author: karhama

.github/workflows/docbuild.yml

@@ -52,8 +52,7 @@ jobs:
       - name: Install Python dependencies
         working-directory: ncs
         run: |
-          sudo pip3 install -U setuptools wheel pip
-          pip3 install -r nrf/doc/requirements.txt
+          pip install -r nrf/doc/requirements.txt
 
       - name: West zephyr-export
         working-directory: ncs