fixup: fix ci script feedback

ci/buildserver-build.sh

@@ -197,8 +197,10 @@ function build_ref {
         build_args+=(--universal --notarize)
     fi
     if [[ "$(uname -s)" == "MINGW"* ]]; then
+        # Check if the windows-installer crate is present, and if so, build a universal installer
+        # The check is needed for compatibility with older commits that don't have the crate/flag
         if [[ -d "$BUILD_DIR/windows-installer" ]]; then
-            # build universal build if supported
+            # Build universal build if supported.
             build_args+=(--universal)
         fi
     fi
@@ -211,11 +213,6 @@ function build_ref {
 
     case "$(uname -s)" in
         MINGW*|MSYS_NT*)
-            if [[ ! -d "$BUILD_DIR/windows-installer" ]]; then
-                echo "Building ARM64 installers"
-                target=aarch64-pc-windows-msvc artifact_dir=$artifact_dir build "${build_args[@]}" || return 1
-            fi
-
             echo "Packaging all PDB files..."
             find ./windows/ \
                 ./target/release/mullvad-daemon.pdb \