Removing useless file

library.json

@@ -1,15 +0,0 @@
-{
-  "name": "ESPUI",
-  "keywords": "ESPUI, esp32, ui, espui, user, interface, gui, iot, arduino, Wifi, server, webinterface, web",
-  "description": "Quickly create an user interface on an ESP32",
-  "repository":
-  {
-    "type": "git",
-    "url": "https://github.com/s00500/ESPUI.git"
-  },
-  "frameworks": "arduino",
-  "platforms":
-  [
-    "espressif"
-  ]
-}