Remove webrender recipe

While it has some demo executables, it is meant to be used as rust
dependency rather than a standalone library. And in fact can't be
installed as standalone library.

recipes/libs/webrender/recipe.sh

@@ -1,32 +0,0 @@
-GIT=https://gitlab.redox-os.org/redox-os/webrender.git
-GIT_UPSTREAM=https://github.com/servo/webrender.git
-BRANCH=redox
-BUILD_DEPENDS=(freetype2 libpng llvm18 mesa zlib)
-
-function recipe_build {
-    sysroot="$(realpath ../sysroot)"
-    for rs in $(find examples/ -maxdepth 1 -type f -name '*.rs')
-    do
-        bin="$(basename "$rs" .rs)"
-        set -x
-        cargo rustc --target "$TARGET" --release --manifest-path examples/Cargo.toml --bin "$bin" \
-            -- \
-            -L "${sysroot}/lib" \
-            -l static=freetype \
-            -l static=png \
-            -C link-args="-Wl,-Bstatic $("${PKG_CONFIG}" --libs osmesa) -lz -lstdc++ -lc -lgcc"
-        set +x
-    done
-    skip=1
-}
-
-function recipe_stage {
-    dest="$(realpath $1)"
-    mkdir -pv "$dest/bin"
-    for rs in $(find examples/ -maxdepth 1 -type f -name '*.rs')
-    do
-        bin="$(basename "$rs" .rs)"
-        "${STRIP}" -v "target/$TARGET/release/$bin" -o "$dest/bin/webrender_$bin"
-    done
-    skip=1
-}