Submit 2.1: Get rid of unusing package

package.json

@@ -80,7 +80,6 @@
     "redis": "4.6.7",
     "redux": "4.0.5",
     "redux-thunk": "^2.3.0",
-    "remarkable": "^2.0.1",
     "rss": "^1.2.2",
     "sass": "^1.56.2",
     "serialize-javascript": "^3.1.0",
@@ -122,7 +121,6 @@
     "@types/react-test-renderer": "^16.9.2",
     "@types/react-virtualized": "^9.21.21",
     "@types/redis": "^4.0.11",
-    "@types/remarkable": "^2.0.3",
     "@types/resize-observer-browser": "^0.1.7",
     "@types/rss": "^0.0.29",
     "@types/serialize-javascript": "^1.5.0",

yarn.lock

@@ -1995,11 +1995,6 @@
   dependencies:
     "@types/geojson" "*"
 
-"@types/highlight.js@^9.7.0":
-  version "9.12.4"
-  resolved "https://registry.yarnpkg.com/@types/highlight.js/-/highlight.js-9.12.4.tgz#8c3496bd1b50cc04aeefd691140aa571d4dbfa34"
-  integrity sha512-t2szdkwmg2JJyuCM20e8kR2X59WCE5Zkl4bzm1u1Oukjm79zpbiAv+QjnwLnuuV0WHEcX2NgUItu0pAMKuOPww==
-
 "@types/history@*":
   version "4.7.9"
   resolved "https://registry.yarnpkg.com/@types/history/-/history-4.7.9.tgz#1cfb6d60ef3822c589f18e70f8b12f9a28ce8724"
@@ -2279,14 +2274,6 @@
   dependencies:
     redis "*"
 
-"@types/remarkable@^2.0.3":
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/@types/remarkable/-/remarkable-2.0.3.tgz#ba2e5edada8f0fe64c658beb2127e06ac0b9c1c8"
-  integrity sha512-QQUBeYApuHCNl9Br6ZoI3PlKmwZ69JHrlJktJXnjxobia9liZgsI70fm8PnCqVFAcefYK+9PGzR5L/hzCslNYQ==
-  dependencies:
-    "@types/highlight.js" "^9.7.0"
-    highlight.js "^9.7.0"
-
 "@types/resize-observer-browser@^0.1.7":
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/@types/resize-observer-browser/-/resize-observer-browser-0.1.7.tgz#294aaadf24ac6580b8fbd1fe3ab7b59fe85f9ef3"
@@ -6141,11 +6128,6 @@ highcharts@^6.0.4:
   resolved "https://registry.yarnpkg.com/highcharts/-/highcharts-6.2.0.tgz#2a6d04652eb43c66f462ca7e2d2808f1f2782b61"
   integrity sha512-A4E89MA+kto8giic7zyLU6ZxfXnVeCUlKOyzFsah3+n4BROx4bgonl92KIBtwLud/mIWir8ahqhuhe2by9LakQ==
 
-highlight.js@^9.7.0:
-  version "9.18.5"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.5.tgz#d18a359867f378c138d6819edfc2a8acd5f29825"
-  integrity sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==
-
 history@^4.7.2, history@^4.9.0:
   version "4.10.1"
   resolved "https://registry.yarnpkg.com/history/-/history-4.10.1.tgz#33371a65e3a83b267434e2b3f3b1b4c58aad4cf3"