matrix-continuwuity: use upstream default features

pkgs/by-name/ma/matrix-continuwuity/package.nix

@@ -10,20 +10,15 @@
   nix-update-script,
   testers,
   matrix-continuwuity,
-  enableBlurhashing ? true,
-  # upstream continuwuity enables jemalloc by default, so we follow suit
-  enableJemalloc ? true,
   rust-jemalloc-sys-unprefixed,
-  enableLiburing ? stdenv.hostPlatform.isLinux,
   liburing,
   nixosTests,
 }:
 let
   rocksdb' =
     (rocksdb.override {
-      inherit enableLiburing;
       # rocksdb does not support prefixed jemalloc, which is required on darwin
-      enableJemalloc = enableJemalloc && !stdenv.hostPlatform.isDarwin;
+      enableJemalloc = !stdenv.hostPlatform.isDarwin;
       jemalloc = rust-jemalloc-sys-unprefixed;
     }).overrideAttrs
       (
@@ -97,11 +92,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
   buildInputs = [
     bzip2
     zstd
-  ]
-  ++ lib.optional enableJemalloc [
     rust-jemalloc-sys-unprefixed
-  ]
-  ++ lib.optional enableLiburing liburing;
+    liburing
+  ];
 
   env = {
     ZSTD_SYS_USE_PKG_CONFIG = true;
@@ -109,31 +102,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
     ROCKSDB_LIB_DIR = "${rocksdb'}/lib";
   };
 
-  buildNoDefaultFeatures = true;
-  # See https://forgejo.ellis.link/continuwuation/continuwuity/src/branch/main/Cargo.toml
-  # for available features.
-  # We enable all default features except jemalloc, blurhashing, and io_uring, which
-  # we guard behind our own (default-enabled) flags.
-  buildFeatures = [
-    "brotli_compression"
-    "direct_tls"
-    "element_hacks"
-    "gzip_compression"
-    "media_thumbnail"
-    "release_max_log_level"
-    "systemd"
-    "url_preview"
-    "zstd_compression"
-    "bindgen-runtime"
-    "ldap"
-  ]
-  ++ lib.optional enableBlurhashing "blurhashing"
-  ++ lib.optional enableJemalloc [
-    "jemalloc"
-    "jemalloc_conf"
-  ]
-  ++ lib.optional enableLiburing "io_uring";
-
   passthru = {
     rocksdb = rocksdb'; # make used rocksdb version available (e.g., for backup scripts)
     updateScript = nix-update-script { };