Drop the i386 arch

The x86-32 releases for Linux have apparently been discontinued
by Microsoft.

com.visualstudio.code.yaml

@@ -96,9 +96,3 @@ modules:
         url: https://vscode-update.azurewebsites.net/1.35.1/linux-deb-x64/stable
         sha256: c3bb7a6d7953ff4093b8a7229227ad4a9587900866c7e867710086dcd42ba482
         size: 48458546
-      - type: extra-data
-        filename: code.deb
-        only-arches: [i386]
-        url: https://vscode-update.azurewebsites.net/1.35.1/linux-deb-ia32/stable
-        sha256: d90f13b9e4004928fdb51791ff586dc7f4b43f3d00080dac0be5f7cf6261d0c2
-        size: 49411812

flathub.json

@@ -1,5 +1,5 @@
 {
-  "only-arches": ["i386", "x86_64"],
+  "only-arches": ["x86_64"],
   "publish-delay-hours": 1,
   "skip-appstream-check": true
 }