Okay, here are the steps for hide or for modification in new learner home page
[ if not mounted ]
Step 1 : Clone the Learner Dashboard from Learner Dashboard Repo
Step 2 : checkout for desired branch (in my case its open-release/quince.2)
Step 3: run command tutor images build learner-dashboard-dev
Step 4: mount it learner-dashboard:(your path to folder):/openedx/app
Step 5: run tutor dev start
[ if mounted ]
Step 6: open frontend-app-learner-dashboard folder in code editor and seach for src/containers/CourseCard/components/CourseCardActions/index.jsx file and do
Hope it help !