Remove some duplicate yahoo icons

src/apps.json

@@ -8612,7 +8612,7 @@
 				4
 			],
 			"html": "(?:<html[^>]* yuilibrary\\.com/rdf/[\\d.]+/yui\\.rdf|<body[^>]+class=\"yui3-skin-sam)",
-			"icon": "YUI Doc.png",
+			"icon": "yahoo.png",
 			"website": "developer.yahoo.com/yui/yuidoc"
 		},
 		"YaBB": {
@@ -8632,7 +8632,7 @@
 				"<iframe[^>]+adserver\\.yahoo\\.com",
 				"<img[^>]+clicks\\.beap\\.bc\\.yahoo\\.com"
 			],
-			"icon": "Yahoo Advertising.png",
+			"icon": "yahoo.png",
 			"script": "adinterax\\.com",
 			"website": "advertising.yahoo.com"
 		},
@@ -8645,7 +8645,7 @@
 				"X-XRDS-Location": "/ystore/"
 			},
 			"html": "<link[^>]+store\\.yahoo\\.net",
-			"icon": "Yahoo! Ecommerce.png",
+			"icon": "yahoo.png",
 			"website": "smallbusiness.yahoo.com/ecommerce"
 		},
 		"Yahoo! Web Analytics": {
@@ -8653,7 +8653,7 @@
 				10
 			],
 			"env": "^YWA$",
-			"icon": "Yahoo! Web Analytics.png",
+			"icon": "yahoo.png",
 			"script": "d\\.yimg\\.com/mi/ywa\\.js",
 			"website": "web.analytics.yahoo.com"
 		},