rime-wanxiang: remove buildPhase and close to upstream (#437189)

pkgs/by-name/ri/rime-wanxiang/package.nix

···
   lib,
   fetchFromGitHub,
   stdenvNoCC,
-  librime,
-  rime-data,
   nix-update-script,
 }:
 
···
     hash = "sha256-tCQ2mPOw7meA7ex7e4BgVco86MNNtxsSC9L6oaVebo4=";
   };
 
-  nativeBuildInputs = [
-    librime
-  ];
-
-  buildInputs = [
-    rime-data
-  ];
-
-  dontConfigure = true;
-
-  buildPhase = ''
-    runHook preBuild
-
-    for s in *.schema.yaml; do
-        rime_deployer --compile "$s" . ${rime-data}/share/rime-data ./build
-    done
-
-    rm build/*.txt
-
-    runHook postBuild
-  '';
-
   installPhase = ''
     runHook preInstall
 
-    dst=$out/share/rime-data
-    mkdir -p $dst
+    rm -rf README.md .git* custom LICENSE
 
-    rm -r .github custom LICENSE squirrel.yaml weasel.yaml *.md *.trime.yaml
     mv default.yaml wanxiang_suggested_default.yaml
 
-    cp -pr -t $dst *
+    mkdir -p $out/share
+    cp -r . $out/share/rime-data
 
     runHook postInstall
   '';