Get rid of warnings and errors in terminal and browser console

src/components/product-detail/karmen-cloud.js

@@ -1,6 +1,6 @@
 import React from "react"
 
-import { Link, useStaticQuery, graphql } from "gatsby"
+import { useStaticQuery, graphql } from "gatsby"
 
 import { FormattedMessage } from "react-intl"
 
@@ -19,7 +19,7 @@ const ProductBlockKarmenCloud = ({ props }) => {
       }
     }
   `)
-  const manualLink = "https://docs.karmen.tech/#/pripojeni-octoprintu-do-karmen-cloudu"
+  const manualUrl = "https://docs.karmen.tech/#/pripojeni-octoprintu-do-karmen-cloudu"
   return (
     <div>
       <div className="product-detail__hero">
@@ -62,22 +62,22 @@ const ProductBlockKarmenCloud = ({ props }) => {
           >
             Přihlásit se
           </a>
-          <Link
-            to={cloudRegister}
+          <a
+            href={cloudRegister}
             className="product-detail__buy-button button button--outlineBlack"
           >
             <FormattedMessage
               id="product-detail-cloud.register_button"
               defaultMessage="Registrovat se"
             />
-          </Link>
+          </a>
           <div className="product-detail-circle"></div>
           <div className="products-list__price">
             <FormattedMessage
               id="pricing-block.manual"
               defaultMessage="{manualLink}"
               values={{
-                manualLink: <a href={manualLink}>Návod jak připojit Octoprint</a>
+                manualLink: <a href={manualUrl}>Návod jak připojit Octoprint</a>
               }}
             />
           </div>

src/components/product-detail/karmen-pill.js

@@ -1,6 +1,6 @@
 import React from "react"
 import { useStaticQuery, graphql, Link } from "gatsby"
-import { FormattedMessage, useIntl } from "react-intl"
+import { FormattedMessage } from "react-intl"
 
 import "react-multi-carousel/lib/styles.css"
 
@@ -9,8 +9,6 @@ import { BackgroundImage } from "components/image"
 import KarmenPillGalleryCarousel from "components/product-detail/karmen-pill-gallery"
 
 import czFlag from "assets/img/cz-flag.svg"
-import iconPackage from "assets/img/icon-package.png"
-import iconTruck from "assets/img/icon-truck.png"
 
 import logoCura from "assets/img/logo-cura.png"
 import logoPrusaSlicer from "assets/img/logo-prusa-slicer.png"
@@ -21,11 +19,6 @@ import logoIkem from "assets/img/logo-ikem.png"
 import logoTrebesin from "assets/img/logo-prumyslovka-trebesin.png"
 
 const ProductBlockKarmenPill = ({ props }) => {
-  const intl = useIntl()
-  const buyPillLink =
-    intl.locale === "cs"
-      ? "/cs/koupit/"
-      : "/en/koupit/"
   const data = useStaticQuery(graphql`
     query {
       site {