Changes on token tools (#1120)

* Remove tokentool.io because it's down for some time now.

* Add favorite tag for taptools, remove favorite tag from cardanoassets.com, add native token tag

src/data/showcases.js

@@ -371,7 +371,7 @@ export const Showcases = [
     preview: require("./showcase/cardanoassets.png"),
     website: "https://cardanoassets.com",
     source: null,
-    tags: ["favorite", "analytics"],
+    tags: ["token", "analytics"],
   },
   {
     title: "Cardano Updates",
@@ -409,14 +409,6 @@ export const Showcases = [
     source: null,
     tags: ["favorite", "analytics"],
   },
-  {
-    title: "Token Tool",
-    description: "Keep track of native token on testnet and mainnet.",
-    preview: require("./showcase/tokentool.png"),
-    website: "https://tokentool.io",
-    source: null,
-    tags: ["favorite", "token", "analytics"],
-  },
   {
     title: "Transaction Meta Data Browser",
     description:
@@ -980,7 +972,7 @@ export const Showcases = [
     preview: require("./showcase/taptools.png"),
     website: "https://www.taptools.io",
     source: null,
-    tags: [ "analytics", "token", "minting"],
+    tags: [ "favorite", "analytics", "token", "minting"],
   },
   {
     title: "Shareslake",