Revert "[libc++] Integrate the PSTL into libc++"

This reverts r366593, which caused unforeseen breakage on the build bots.
I'm reverting until the problems have been figured out and fixed.

llvm-svn: 366603

1 files changed, 0 insertions, 4 deletions

diff --git a/libcxx/include/module.modulemap b/libcxx/include/module.modulemap
index 31d39ddf7c8..bbfe90ed57f 100644
--- a/libcxx/include/module.modulemap
+++ b/libcxx/include/module.modulemap
@@ -275,10 +275,6 @@ module std [system] {
     header "exception"
     export *
   }
-  module execution {
-    header "execution"
-    export *
-  }
   module filesystem {
     header "filesystem"
     export *