tools/ci.sh: Don't print python2 version.

Because python2 may not be available.

Signed-off-by: Damien George <damien@micropython.org>

tools/ci.sh

@@ -512,7 +512,6 @@ function ci_unix_32bit_setup {
     sudo pip3 install setuptools
     sudo pip3 install pyelftools
     gcc --version
-    python2 --version
     python3 --version
 }