refactor(build): remove unnecessary dependencies from Dockerfile

Dockerfile

@@ -10,72 +10,6 @@ RUN pacman -Syu --noconfirm && \
         jq \
         openssh \
         github-cli \
-        # webkit2gtk makedepends
-        clang \
-        cmake \
-        gi-docgen \
-        glib2-devel \
-        gobject-introspection \
-        gperf \
-        gst-plugins-bad \
-        lld \
-        ninja \
-        python \
-        ruby \
-        ruby-stdlib \
-        systemd \
-        unifdef \
-        wayland-protocols \
-        # webkit2gtk runtime depends
-        at-spi2-core \
-        atk \
-        bubblewrap \
-        cairo \
-        enchant \
-        expat \
-        fontconfig \
-        freetype2 \
-        gdk-pixbuf2 \
-        glib2 \
-        glibc \
-        gst-plugins-bad-libs \
-        gst-plugins-base-libs \
-        gstreamer \
-        gtk3 \
-        harfbuzz \
-        harfbuzz-icu \
-        hyphen \
-        icu \
-        lcms2 \
-        libatomic \
-        libavif \
-        libdrm \
-        libegl \
-        libepoxy \
-        libgcrypt \
-        libgl \
-        libjpeg-turbo \
-        libjxl \
-        libmanette \
-        libpng \
-        libseccomp \
-        libsecret \
-        libsoup \
-        libsystemd \
-        libtasn1 \
-        libwebp \
-        libx11 \
-        libxml2 \
-        libxslt \
-        mesa \
-        openjpeg2 \
-        pango \
-        sqlite \
-        ttf-dejavu \
-        wayland \
-        woff2 \
-        xdg-dbus-proxy \
-        zlib \
     && pacman -Scc --noconfirm
 
 # Non-root build user (makepkg refuses to run as root)