fix a part of #541 . for /src/content/tutorials/

Author: shibomb

src/components/GridItem/Tutorial.astro

@@ -1,6 +1,7 @@
 ---
 import Image from "@components/Image/index.astro";
 import type { CollectionEntry } from "astro:content";
+import { removeLocalePrefix } from "@i18n/utils";
 
 interface Props {
   item: CollectionEntry<"tutorials">;
@@ -10,7 +11,7 @@ interface Props {
 const { item, lazyLoad } = Astro.props;
 ---
 
-<a href={`/tutorials/${item.slug}/`} class="group hover:no-underline">
+<a href={`/tutorials/${removeLocalePrefix(item.slug).slice(1)}/`} class="group hover:no-underline">
   {
     item.data.featuredImageAlt && item.data.featuredImage && (
       <Image

src/content/tutorials/en/animating-with-media-objects.mdx

@@ -1,5 +1,4 @@
 ---
-slug: animating-with-media-objects
 title: "Animating with Media Objects"
 description: Learn how to load images and GIFs to your sketches by creating an interactive garden!
 category: introduction

src/content/tutorials/en/color-gradients.mdx

@@ -1,5 +1,4 @@
 ---
-slug: color-gradients
 title: "Color Gradients"
 description: Use radial gradients, linear gradients, and blend modes to create lens flare stickers & colorful filters on top of a webcam selfie.
 category: drawing

src/content/tutorials/en/conditionals-and-interactivity.mdx

@@ -1,5 +1,4 @@
 ---
-slug: conditionals-and-interactivity
 title: "Conditionals and Interactivity"
 description: A tutorial on how to use conditional statements and make interactive sketches.
 category: introduction

src/content/tutorials/en/coordinates-and-transformations.mdx

@@ -1,5 +1,4 @@
 ---
-slug: coordinates-and-transformations
 title: "Coordinates and Transformations"
 description: An overview of the different ways you can position objects in WebGL mode.
 category: webgl

src/content/tutorials/en/creating-styling-html.mdx

@@ -1,5 +1,4 @@
 ---
-slug: creating-styling-html
 title: "Creating and Styling HTML"
 description: Dive into the art of creative coding and learn to build and beautify HTML with p5.js.
 category: web-design

src/content/tutorials/en/custom-geometry.mdx

@@ -1,5 +1,4 @@
 ---
-slug: custom-geometry
 title: "Creating Custom Geometry in WebGL"
 description: A guide to the different ways you can create your own 3D shapes.
 category: webgl

src/content/tutorials/en/custom-shapes-and-smooth-curves.mdx

@@ -1,5 +1,4 @@
 ---
-slug: custom-shapes-and-smooth-curves
 title: "Custom Shapes and Smooth Curves"
 description: Use vertex(), bezierVertex(), beginShape() and endShape() to create angular and curved sparkle stickers to place on top of your webcam selfie.
 category: drawing

src/content/tutorials/en/data-structure-garden.mdx

@@ -1,5 +1,4 @@
 ---
-slug: data-structure-garden
 title: "Data Structure Garden"
 description: A tutorial on how to use JavaScript objects and arrays.
 category: introduction

src/content/tutorials/en/field-guide-to-debugging.mdx

@@ -1,5 +1,4 @@
 ---
-slug: field-guide-to-debugging
 title: "Field Guide to Debugging"
 description: Learn some healthy habits and best practices for  locating bugs in your program, and finding ways to overcome them.
 category: advanced