minor #22931 SCA with Php Inspections (EA Extended): 2.7 (kalessil)

This PR was squashed before being merged into the 2.7 branch (closes #22931).

Discussion
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SCA with Php Inspections (EA Extended): 2.7

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Static Code Analysis with Php Inspections (EA Extended): dead code and control flow tweaks.

Commits
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598ae56cc9 SCA with Php Inspections (EA Extended): 2.7

Author: fabpot

Templating/Helper/AssetsHelper.php

@@ -78,7 +78,7 @@ public function getVersion($path = null, $packageName = null)
 
         // packageName is null and path not, so path is a path or a packageName
         try {
-            $package = $this->packages->getPackage($path);
+            $this->packages->getPackage($path);
         } catch (\InvalidArgumentException $e) {
             // path is not a package, so it should be a path
             return $this->packages->getVersion($path);