build: remove bundle size check again from postbuild to avoid issues on CI

Author: axe312ger

package.json

@@ -52,7 +52,7 @@
     "build": "npm run clean && npm run build:esm && npm run build:bundles",
     "build:esm": "tsc",
     "build:bundles": "NODE_ENV=production rollup -c",
-    "postbuild": "npm run check && npm run test:size && npm run test:demo-projects",
+    "postbuild": "npm run check && npm run test:demo-projects",
     "check": "npm run check:cjs && npm run check:esm && npm run check:browser && npm run check:browser-min",
     "check:browser": "es-check es2018 ./dist/contentful.browser.js",
     "check:browser-min": "es-check es2018 ./dist/contentful.browser.min.js",