[fix] bpytop/byptop was set as a symbolic link still

[nopjmp]

Due to git thinking the symlink is still there, it tries to create a symlink that fails on my filesystem (XFS) at least.

Cloning into '/home/nop/wpgtk-templates'...
remote: Enumerating objects: 10, done.
remote: Counting objects: 100% (10/10), done.
remote: Compressing objects: 100% (9/9), done.
remote: Total 3067 (delta 2), reused 7 (delta 0), pack-reused 3057
Receiving objects: 100% (3067/3067), 1.69 MiB | 5.77 MiB/s, done.
Resolving deltas: 100% (1944/1944), done.
error: unable to create symlink bpytop/bpytop: File name too long
fatal: unable to checkout working tree
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry with 'git restore --source=HEAD :/'

This fixes cloning using the wpg-install.sh script due to #17