removing the readme.txt to replace with new one, as wrongly written updated version number to 2.0 instead of 1.2

git-svn-id: https://plugins.svn.wordpress.org/wp-site-protector/trunk@951678 b8457f37-d9ea-0310-8a92-e5e31aec5664
Replace the readme.txt with new one, as wrongly written updated version number to 2.0 instead of 1.2

git-svn-id: https://plugins.svn.wordpress.org/wp-site-protector/trunk@951679 b8457f37-d9ea-0310-8a92-e5e31aec5664