Issue 6620 - Update extension description

_locales/kab/messages.json

 {
   "add": {
     "message": "Rnu"
   },
   "add_domain_button": {
     "message": "Rnu taɣult"
   },
   "add_filter_button": {
     "message": "Rnu imsizdeg"
   },
@@ skipping 11 matching lines @@
   },
   "cancel": {
     "message": "Sefsex"
   },
   "clickhide_instructions": {
     "message": "Ticki yemmed usfaylu-agi udhim, sit ɣef (neɣ s tqeffalt teyeffus) ɣef uferdis deg usebter."
   },
   "continue": {
     "message": "Kemmel"
   },
-  "description": {
-    "message": "Yettwaseqdec ugar n 100 imelyan n ibenkan. Adblock Plus d amsewḥal aɣerfan ugar deg umaḍal."
-  },
   "disabled_for_site": {
     "message": "<strong>Insa </strong> ɣef usmel-agi"
   },
   "disabled_for_these_domains": {
     "message": "Adblock Plus insa di tɣula ddaw-agi. Ad tizmireḍ ad ternuḍ taɣult s tignit Adblock Plus n ufeggag n tensa, neɣ s tira n taɣult (mačči n tensa URL) di tnaka n uḍris s susiti ɣef tqeffalt \"rnu taɣult\"."
   },
   "easy_create_filter": {
     "message": "Sewḥel aferid"
   },
   "edit_filters_raw": {
@@ skipping 205 matching lines @@
   "unexpected_filter_list_header": {
     "message": "Iqerra n tibdarin n imsizdigen ad ttwasirgen dagi"
   },
   "update_now": {
     "message": "Leqqem tura"
   },
   "whitelisted_domains": {
     "message": "Tiɣula n tebdarin timellalin"
   }
 }