chore(ios): optimize build workflow (#11132)

packages/frontend/apps/ios/App/xc-universal-binary.sh

@@ -32,14 +32,6 @@ else
     RELFLAG=debug
 fi
 
-if [[ -n "${SDK_DIR:-}" ]]; then
-  # Assume we're in Xcode, which means we're probably cross-compiling.
-  # In this case, we need to add an extra library search path for build scripts and proc-macros,
-  # which run on the host instead of the target.
-  # (macOS Big Sur does not have linkable libraries in /usr/lib/.)
-  export LIBRARY_PATH="${SDK_DIR}/usr/lib:${LIBRARY_PATH:-}"
-fi
-
 IS_SIMULATOR=0
 if [ "${LLVM_TARGET_TRIPLE_SUFFIX-}" = "-simulator" ]; then
   IS_SIMULATOR=1