Removal of non-used technologies (#1811)

* Remove the Asymptix framework

* Remove Vinala

* Remove xui

- The website is dead
- The github repo (https://github.com/xui/xuijs.com) has 15 stars and
  hasn't been updated in 5 years

* Remove icons

src/apps.json

@@ -729,20 +729,6 @@
 			},
 			"website": "http://www.methods.co.nz/asciidoc"
 		},
-		"Asymptix PHP Framework": {
-			"cats": [
-				"18"
-			],
-			"headers": {
-				"X-Powered-By": "Asymptix PHP Framework(?:.*)"
-			},
-			"html": [
-				"Powered by <a href=\"http://www.asymptix.com/\" rel=\"external\">Asymptix PHP Framework</a>"
-			],
-			"icon": "Asymptix PHP Framework.png",
-			"implies": "PHP",
-			"website": "http://github.com/Asymptix/Framework"
-		},
 		"Atlassian Bitbucket": {
 			"cats": [
 				"47"
@@ -9029,17 +9015,6 @@
 			"icon": "Vimeo.png",
 			"website": "http://vimeo.com"
 		},
-		"Vinala": {
-			"cats": [
-				"18"
-			],
-			"headers": {
-				"Set-Cookie": "vinala_version"
-			},
-			"icon": "Vinala.png",
-			"implies": "PHP",
-			"website": "https://github.com/vinala/vinala"
-		},
 		"Virata EmWeb": {
 			"cats": [
 				"22"
@@ -10865,16 +10840,6 @@
 			},
 			"website": "http://www.xt-commerce.com"
 		},
-		"xui": {
-			"cats": [
-				"26",
-				"12"
-			],
-			"env": "^xui$",
-			"icon": "xui.png",
-			"script": "[^a-z]xui.*\\.js",
-			"website": "http://xuijs.com"
-		},
     "Raychat": {
       "cats": [
         "52"