how to delete all data from branch only from remote code example

Example 1: delete branch from remote

// delete branch locally
git branch -d localBranchName

//delete local branch that is unmerged
git branch -D localBranchName

// delete branch remotely
git push origin --delete remoteBranchName

Example 2: delete local and remote branch github

$ git push <remote_name> :<branch_name>