Remove deprecated function

src/Composer/Installer.php

@@ -1659,14 +1659,6 @@ class Installer
         return $this;
     }
 
-    /**
-     * @deprecated use setWhitelistTransitiveDependencies instead
-     */
-    public function setWhitelistDependencies($updateDependencies = true)
-    {
-        return $this->setWhitelistTransitiveDependencies($updateDependencies);
-    }
-
     /**
      * Should dependencies of whitelisted packages (but not direct dependencies) be updated?
      *