remove_mono: avoid a warning on 32-bit prefixes

src/winetricks

@@ -19015,12 +19015,11 @@ load_remove_mono()
         "${WINE_ARCH}" reg delete "HKLM\\Software\\Microsoft\\NET Framework Setup\\NDP\\v3.5" /f || true
         "${WINE_ARCH}" reg delete "HKLM\\Software\\Microsoft\\NET Framework Setup\\NDP\\v4" /f || true
 
-        if grep --quiet --text "WINE_MONO_OVERRIDES" "${W_WINDIR_UNIX}/system32/mscoree.dll"; then
-            w_try rm -f "${W_WINDIR_UNIX}/system32/mscoree.dll"
-        fi
-        if grep --quiet --text "WINE_MONO_OVERRIDES" "${W_WINDIR_UNIX}/syswow64/mscoree.dll"; then
-            w_try rm -f "${W_WINDIR_UNIX}/syswow64/mscoree.dll"
-        fi
+        for mscoree_dll in "${W_SYSTEM32_DLLS}/mscoree.dll" "${W_SYSTEM64_DLLS}/mscoree.dll"; do
+            if [ -f "${mscoree_dll}" ] && grep --quiet --text "WINE_MONO_OVERRIDES" "${mscoree_dll}"; then
+                w_try rm -f "${mscoree_dll}"
+            fi
+        done
     elif [ -z "$1" ] || [ "$1" != "internal" ]; then
         w_warn "Mono does not appear to be installed."
     fi