Revert "xcbuild: try to fix sdk not found"

This reverts commit 87e6b2c50f.

pkgs/development/tools/xcbuild/platform.nix

@@ -228,6 +228,6 @@ stdenv.mkDerivation {
 
     mkdir -p $out/Developer/SDKs/
     cd $out/Developer/SDKs/
-    ln -s ${sdk} macosx10.10.sdk
+    ln -s ${sdk}
   '';
 }

pkgs/development/tools/xcbuild/wrapper.nix

@@ -60,13 +60,9 @@ stdenv.mkDerivation {
       --add-flags "DERIVED_DATA_DIR=." \
       --set DEVELOPER_DIR "$out"
     wrapProgram $out/bin/xcrun \
-      --add-flags "-sdk macosx10.10" \
       --set DEVELOPER_DIR "$out"
     wrapProgram $out/bin/xcode-select \
       --set DEVELOPER_DIR "$out"
-
-    mkdir -p $out/usr/bin/
-    ln -s $out/bin/xcrun $out/usr/bin/xcrun
   '';
 
   inherit (xcbuild) meta;