Revert "Merge pull request #4969 from Sonicadvance1/rpmalloc"

This reverts commit e1a45a2720, reversing
changes made to bd7edd8651.

The change rendered pressure-vessel non-functional on muvm-based setups
like Fedora Asahi Remix.

Source/Windows/ARM64EC/Module.cpp

@@ -1049,7 +1049,6 @@ NTSTATUS ThreadTerm(HANDLE Thread, LONG ExitCode) {
   if (ThreadTID == GetCurrentThreadId()) {
     FEX::Windows::DeinitCRTThread();
   }
-
   return STATUS_SUCCESS;
 }