Revert "[tests] install bs4 for pywikibot CI tests"

This reverts commit 01d42c93ace531a4832e7fbb34a30a3214e62599.

Reason for revert: is already in requirements.txt

Change-Id: Ica23fc315c17ba89ea5ced2310bea519d7769eb3
---
M .github/workflows/pywikibot-ci.yml
1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pywikibot-ci.yml b/.github/workflows/pywikibot-ci.yml
index 8c91dfb..ea447d1 100644
--- a/.github/workflows/pywikibot-ci.yml
+++ b/.github/workflows/pywikibot-ci.yml
@@ -92,7 +92,6 @@
         pip --version
         if [ -f dev-requirements.txt ]; then pip install -r dev-requirements.txt; fi
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-        pip install "beautifulsoup4>=4.7.1"
         pip install wikitextparser
 
     - name: Generate family files

