Fix logic for iserv-syms.patch

Author: hamishmack

overlays/bootstrap.nix

@@ -215,8 +215,7 @@ in {
                 # This one will lead to segv's on darwin, when calling `strlen` during lookupStrHashTable. `strlen` ends up being called with 0x0.
                 # This patch will allow adding additional symbols to iserv, instead of having to patch them into GHC all the time.
                 ++ final.lib.optionals (
-                        final.stdenv.targetPlatform != final.stdenv.hostPlatform
-                     && (final.stdenv.targetPlatform.isAndroid || final.stdenv.targetPlatform.isLinux)
+                        (final.stdenv.targetPlatform.isAndroid || final.stdenv.targetPlatform.isLinux)
                      && (final.stdenv.targetPlatform.isAarch64 || final.stdenv.targetPlatform.is32bit))
                   (fromUntil "9.6.1" "9.11" ./patches/ghc/iserv-syms.patch)
                 ++ onAndroid (until "9.0" ./patches/ghc/ghc-8.10.7-weak-symbols-2.patch)