Don't run migrations on Compass versions that are EOL

Author: durran

src/app/migrations/index.js

@@ -60,12 +60,6 @@ module.exports = function(done) {
       return done();
     }
     const migrations = {
-      '1.1.2': require('./1.1.2'),
-      '1.2.0': require('./1.2.0'),
-      '1.3.0-beta.0': require('./1.3.0-beta.0'),
-      '1.3.0-beta.1': require('./1.3.0-beta.1'),
-      '1.3.0-beta.3': require('./1.3.0-beta.3'),
-      '1.5.0-beta.5': require('./1.5.0-beta.5'),
       '1.20.0-beta.0': require('./1.20.0-beta.0')
     };
     const migrate = require('app-migrations')(migrations);