Lynx: Remove button styles from the green style variation. (#6647)

lynx/styles/green.json

@@ -26,21 +26,5 @@
 				}
 			]
 		}
-	},
-	"styles": {
-		"blocks": {
-			"core/button": {
-				"border": {
-					"radius": "4px",
-					"width": "2px",
-					"style": "solid",
-					"color": "var(--wp--preset--color--foreground)"
-				},
-				"color": {
-					"background": "transparent",
-					"text": "var(--wp--preset--color--foreground)"
-				}
-			}
-		}
 	}
 }