MC-37476: mismatching strict type

Author: Oleksandr Iegorov

app/code/Magento/PageBuilder/Test/Unit/Plugin/Filter/TemplatePluginTest.php

@@ -53,15 +53,4 @@ public function testAfterFilter(): void
             ->willReturn('');
         $this->assertSame('', $this->templatePlugin->afterFilter($this->frameworkTemplateFilter, $result));
     }
-
-    /**
-     * @return array
-     */
-    public function afterLoginDataProvider(): array
-    {
-        return [
-            [false],
-            [true],
-        ];
-    }
 }