Revert "Print the swift version in Linux matrix jobs (#3241)"

This reverts commit c1542f0.

Author: rnro

.github/workflows/swift_test_matrix.yml

@@ -49,7 +49,7 @@ jobs:
             -e setup_command_expression="$setup_command_expression" \
             -e workspace="$workspace" \
             ${{ matrix.config.image }} \
-            bash -c "swift --version && $setup_command_expression ${{ matrix.config.command }} ${{ matrix.config.command_arguments }}"
+            bash -c "$setup_command_expression ${{ matrix.config.command }} ${{ matrix.config.command_arguments }}"
       - name: Run matrix job (Windows)
         if: ${{ matrix.config.platform == 'Windows' }}
         run: |