Remove the libxml2 port

Use the canonical vcpkg port at https://github.com/microsoft/vcpkg/tree/master/ports/libxml2

Author: donny-dont

.github/workflows/build.yaml

@@ -190,7 +190,7 @@ jobs:
         id: libxml2
         if: steps.icu.outcome == 'success'
         continue-on-error: true
-        run: ./vcpkg.exe install libxml2[xslt] --overlay-ports ./WebKitRequirements/ports --overlay-triplets ./WebKitRequirements/triplets --triplet ${{ matrix.triplet }}
+        run: ./vcpkg.exe install libxml2[core,icu] --overlay-ports ./WebKitRequirements/ports --overlay-triplets ./WebKitRequirements/triplets --triplet ${{ matrix.triplet }}
       - name: Read libxml2 config
         if: steps.libxml2.outcome == 'success' || steps.libxml2.outcome == 'failure'
         continue-on-error: true

README.md

@@ -23,5 +23,4 @@
 |---|:---:|:---:|
 | [icu](http://site.icu-project.org) | 76.1 | 2024-10-24 |
 | [curl](https://curl.se) | 8.11.0 | 2024-11-05 |
-| [libxml2](http://xmlsoft.org) | 2.13.5 | 2024-11-12 |
 | [cairo](https://gitlab.freedesktop.org/cairo/cairo) | 1.18.0 | 2023-09-23 |