workflow: delete charset workaround

Removed workaround from workflows since it is now
fixed.

Follow up #47

Author: better0fdead

.github/workflows/fast_testing.yml

@@ -38,11 +38,8 @@ jobs:
         with:
           tarantool-version: ${{ matrix.tarantool }}
 
-      # Workaround to avoid issue https://github.com/tarantool/mysql/issues/47.
-      - name: Update mysql server config
+      - name: Restart mysql service
         run: |
-          sudo sed -i 's/\[mysqld\]/\[mysqld\]\ncharacter-set-server = utf8/' \
-            /etc/mysql/mysql.conf.d/mysqld.cnf
           sudo systemctl restart mysql
 
       - name: Prepare test environment

.github/workflows/reusable_testing.yml

@@ -36,11 +36,8 @@ jobs:
         # dependencies when migrating to other OS version.
         run: sudo dpkg -i tarantool*.deb
 
-      # Workaround to avoid issue https://github.com/tarantool/mysql/issues/47.
-      - name: Update mysql server config
+      - name: Restart mysql service
         run: |
-          sudo sed -i 's/\[mysqld\]/\[mysqld\]\ncharacter-set-server = utf8/' \
-            /etc/mysql/mysql.conf.d/mysqld.cnf
           sudo systemctl restart mysql
 
       - name: Prepare test environment