Remove unused if

Signed-off-by: Kamil Tekiela <tekiela246@gmail.com>

Author: kamil-tekiela

psalm-baseline.xml

@@ -255,9 +255,6 @@
       <code>$expr</code>
       <code>$expr</code>
     </PossiblyNullArgument>
-    <RedundantCondition>
-      <code>is_array($ret)</code>
-    </RedundantCondition>
   </file>
   <file src="src/Components/FunctionCall.php">
     <MixedOperand>

src/Components/ExpressionArray.php

@@ -12,7 +12,6 @@
 
 use function count;
 use function implode;
-use function is_array;
 use function preg_match;
 use function strlen;
 use function substr;
@@ -105,15 +104,12 @@ public static function parse(Parser $parser, TokensList $list, array $options =
         }
 
         --$list->idx;
-
-        if (is_array($ret)) {
-            $retIndex = count($ret) - 1;
-            if (isset($ret[$retIndex])) {
-                $expr = $ret[$retIndex]->expr;
-                if (preg_match('/\s*--\s.*$/', $expr, $matches)) {
-                    $found = $matches[0];
-                    $ret[$retIndex]->expr = substr($expr, 0, strlen($expr) - strlen($found));
-                }
+        $retIndex = count($ret) - 1;
+        if (isset($ret[$retIndex])) {
+            $expr = $ret[$retIndex]->expr;
+            if (preg_match('/\s*--\s.*$/', $expr, $matches)) {
+                $found = $matches[0];
+                $ret[$retIndex]->expr = substr($expr, 0, strlen($expr) - strlen($found));
             }
         }