Revert "manually installs sharp"

This reverts commit 3966da7bc5.

website/package-lock.json

@@ -14,7 +14,6 @@
         "astro": "^5.1.1",
         "markdown-it": "^14.1.0",
         "nodemailer": "^7.0.11",
-        "sharp": "^0.34.5",
         "typescript": "^5.4.3"
       },
       "devDependencies": {
@@ -1539,6 +1538,7 @@
       "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
       "integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
       "license": "MIT",
+      "optional": true,
       "engines": {
         "node": ">=18"
       }
@@ -4332,6 +4332,7 @@
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
       "integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
       "license": "Apache-2.0",
+      "optional": true,
       "engines": {
         "node": ">=8"
       }
@@ -7794,6 +7795,7 @@
       "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
       "hasInstallScript": true,
       "license": "Apache-2.0",
+      "optional": true,
       "dependencies": {
         "@img/colour": "^1.0.0",
         "detect-libc": "^2.1.2",

website/package.json

@@ -20,7 +20,6 @@
     "astro": "^5.1.1",
     "markdown-it": "^14.1.0",
     "nodemailer": "^7.0.11",
-    "sharp": "^0.34.5",
     "typescript": "^5.4.3"
   },
   "devDependencies": {