Revert "[siso] Limit remote jobs on Windows to 1000"

This reverts commit 7ababdfe02.

Reason for revert: Max limit 1000 is set inside Siso command now.

Original change's description:
> [siso] Limit remote jobs on Windows to 1000
>
> Until we fix slow Window builds on developer machine,
> It would probably be better to limit remote jobs to 1000.
>
> Bug: b/335525655, b/336481263
> Change-Id: I065e19480a27203da2b32ceb19050d0846fbc554
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5482550
> Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
> Commit-Queue: Junji Watanabe <jwata@google.com>
> Auto-Submit: Junji Watanabe <jwata@google.com>
> Reviewed-by: Fumitoshi Ukai <ukai@google.com>

Bug: b/335525655, b/336481263
Change-Id: I911376d3ef3c7482fad4231db06c0dd1a0f1ab28
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5534440
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Commit-Queue: Junji Watanabe <jwata@google.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Fumitoshi Ukai <ukai@google.com>

autosiso.py

@@ -9,7 +9,6 @@ Siso/Reclient builds.
 # TODO(b/278976196): `siso ninja` command should handle the reclient and
 # authentication accordingly.
 
-import multiprocessing
 import os
 import re
 import sys
@@ -51,32 +50,19 @@ def main(argv):
             "Please run `siso` command directly.",
             file=sys.stderr)
         return 1
-    has_remote_jobs = False
-    for arg in argv:
-        if arg.startswith("--remote_jobs") or arg.startswith("-remote_jobs"):
-            has_remote_jobs = True
-
-    # Limit -remote_jobs to avoid overloading Reproxy on developer machine.
-    remote_jobs = None
-    if not has_remote_jobs and sys.platform == 'win32':
-        num_cores = multiprocessing.cpu_count()
-        remote_jobs = min(num_cores * 80, 1000)
 
     os.environ.setdefault("AUTONINJA_BUILD_ID", str(uuid.uuid4()))
     with reclient_helper.build_context(argv, 'autosiso') as ret_code:
         if ret_code:
             return ret_code
-        cmd = [
+        argv = [
             argv[0],
             'ninja',
             # Do not authenticate when using Reproxy.
             '-project=',
             '-reapi_instance=',
-        ]
-        if remote_jobs:
-            cmd.append("-remote_jobs=%d" % remote_jobs)
-        cmd += argv[1:]
-        return siso.main(cmd)
+        ] + argv[1:]
+        return siso.main(argv)
 
 
 if __name__ == '__main__':