Revert "remove the destination only if it exists (#62)" (#66)

related to
- #62
- nushell/nushell#11656

## Description
this commit reverts #62 because it
was just a bug introduced recently and now fixed in
nushell/nushell#11656.

.github/workflows/ci.yml

@@ -34,6 +34,4 @@ jobs:
         run: version
 
       - name: Run the tests
-        run: |
-          nu --commands $"use ($env.PWD)/nupm/; nupm install --no-confirm --force --path ."
-          nu --commands $"use ($env.PWD)/nupm/; nupm test"
+        run: nu --commands $"use ($env.PWD)/nupm/; nupm test"

nupm/install.nu

@@ -87,9 +87,7 @@ def install-path [
             let destination = $module_dir | path join $package.name
 
             if $force {
-                if ($destination | path exists) {
-                    rm --recursive --force $destination
-                }
+                rm --recursive --force $destination
             }
 
             if ($destination | path type) == dir {