Revert "build: sync libuv header change"

This reverts commit 7dc731d.

PR-URL: #50036
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ruy Adorno <ruyadorno@google.com>

Author: richardlau

deps/uv/uv.gyp

@@ -161,6 +161,7 @@
             'include/uv/bsd.h',
             'include/uv/aix.h',
             'src/unix/async.c',
+            'src/unix/atomic-ops.h',
             'src/unix/core.c',
             'src/unix/dl.c',
             'src/unix/fs.c',
@@ -174,6 +175,7 @@
             'src/unix/process.c',
             'src/unix/random-devurandom.c',
             'src/unix/signal.c',
+            'src/unix/spinlock.h',
             'src/unix/stream.c',
             'src/unix/tcp.c',
             'src/unix/thread.c',