Bye Ben Affleck’s beard! You will be missed. The award-winning actor looked very different during a recent outing with his son, Samuel, 12, as his clean-shaven face was put on full display on his walk with his and ex-wife Jennifer Garner’s youngest child. In photos obtained by OK!, nothing but a slight shadow remained on Affleck’s face during his daytime stroll with Samuel. The pair appeared bundled up for the brisk Santa Monica morning, as the dad-of-three — who also shares Violet, 18, and Seraphina, 15, with Garner — sported khaki pants, a red wine-colored shirt, an olive green button-up top…