Clean up EMBER_TYPESCRIPT_BLUEPRINTS feature flag

Author: bertdeblock

.eslintignore

@@ -1,5 +1,4 @@
 blueprints/*/*files/**/*.js
-blueprints-js/*/*files/**/*.js
 blueprints/*/*files/**/*.ts
 node-tests/fixtures/**/*.js
 /docs/

.eslintrc.js

@@ -150,7 +150,6 @@ module.exports = {
         'node-tests/**/*.js',
         'tests/node/**/*.js',
         'blueprints/**/*.js',
-        'blueprints-js/**/*.js',
         'bin/**/*.js',
         'bin/**/*.mjs',
         'tests/docs/*.js',