Chore: Update the copy used in signup page (#464)

Co-authored-by: Sojan Jose <sojan@pepalo.com>

app/javascript/dashboard/i18n/locale/en/signup.json

@@ -1,7 +1,6 @@
 {
   "REGISTER": {
-    "TRY_WOOT": "Try Chatwoot free for 14 days",
-    "TRY_WOOT_SUB": "No credit card required. Cancel anytime.",
+    "TRY_WOOT": "Register an account",
     "TITLE": "Register",
     "TERMS_ACCEPT": "By signing up, you agree to our <a href=\"https://www.chatwoot.com/terms\">T & C</a> and <a href=\"https://www.chatwoot.com/privacy-policy\">Privacy policy</a>",
     "ACCOUNT_NAME": {
@@ -30,4 +29,4 @@
     },
     "SUBMIT": "Submit"
   }
-}
+}

app/javascript/dashboard/routes/auth/Signup.vue

@@ -9,9 +9,6 @@
       <h2 class="hero--title">
         {{ $t('REGISTER.TRY_WOOT') }}
       </h2>
-      <p class="hero--sub">
-        {{ $t('REGISTER.TRY_WOOT_SUB') }}
-      </p>
     </div>
     <div class="row align-center">
       <div class="medium-5 column">