Remove old kanban library

package.json

@@ -33,7 +33,6 @@
     "vue-easymde": "1.4.0",
     "vue-i18n": "8.25.0",
     "vue-shortkey": "3.1.7",
-    "vue-smooth-dnd": "0.8.1",
     "vuedraggable": "^2.24.3",
     "vuex": "3.6.2",
     "workbox-precaching": "6.1.5"

yarn.lock

@@ -7207,11 +7207,6 @@ slice-ansi@^4.0.0:
     astral-regex "^2.0.0"
     is-fullwidth-code-point "^3.0.0"
 
-smooth-dnd@0.12.1:
-  version "0.12.1"
-  resolved "https://registry.yarnpkg.com/smooth-dnd/-/smooth-dnd-0.12.1.tgz#cdb44c972355659e32770368b29b6a80e0ed96f1"
-  integrity sha512-Dndj/MOG7VP83mvzfGCLGzV2HuK1lWachMtWl/Iuk6zV7noDycIBnflwaPuDzoaapEl3Pc4+ybJArkkx9sxPZg==
-
 snake-case@3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/snake-case/-/snake-case-3.0.4.tgz#4f2bbd568e9935abdfd593f34c691dadb49c452c"
@@ -8154,13 +8149,6 @@ vue-shortkey@3.1.7:
     custom-event-polyfill "^1.0.7"
     element-matches "^0.1.2"
 
-vue-smooth-dnd@0.8.1:
-  version "0.8.1"
-  resolved "https://registry.yarnpkg.com/vue-smooth-dnd/-/vue-smooth-dnd-0.8.1.tgz#b1c584cfe49b830a402548b4bf08f00f68f430e5"
-  integrity sha512-eZVVPTwz4A1cs0+CjXx/ihV+gAl3QBoWQnU6+23Gp59t0WBU99z7ducBQ4FvjBamqOlg8SDOE5eFHQedxwB4Wg==
-  dependencies:
-    smooth-dnd "0.12.1"
-
 vue-template-compiler@2.6.14:
   version "2.6.14"
   resolved "https://registry.yarnpkg.com/vue-template-compiler/-/vue-template-compiler-2.6.14.tgz#a2f0e7d985670d42c9c9ee0d044fed7690f4f763"