Revert "Require aclocal 1.11.1 or above for autogen.sh"
Revert "Require aclocal 1.11.1 or above for autogen.sh"

The comparison is incorrect, and the check also breaks daily work on
autobuilders and older distros.

This reverts commit dbc4dda7f5b66c9905c3cf6e44414536a5b38177.

Signed-off-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>
Reviewed-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>

apyrgio/snf-ganeti,yiannist/ganeti,mbakke/ganeti,andir/ganeti,mbakke/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,mbakke/ganeti,yiannist/ganeti,leshchevds/ganeti,yiannist/ganeti,onponomarev/ganeti,bitemyapp/ganeti,onponomarev/ganeti,grnet/snf-ganeti,ganeti/ganeti,leshchevds/ganeti,apyrgio/ganeti,leshchevds/ganeti,grnet/snf-ganeti,dimara/ganeti,ganeti-github-testing/ganeti-test-1,apyrgio/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,andir/ganeti,andir/ganeti,bitemyapp/ganeti,ganeti/ganeti