Revert "node_cache: Work around pnpm install issue in Docker for Mac."

This reverts commit 126f3b5f47.

Testing showed that it was ineffective for many users.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

scripts/lib/node_cache.py

@@ -1,6 +1,6 @@
 import os
 
-from scripts.lib.zulip_tools import get_deploy_root, run
+from scripts.lib.zulip_tools import run
 
 DEFAULT_PRODUCTION = False
 
@@ -16,16 +16,11 @@ def setup_node_modules(production: bool = DEFAULT_PRODUCTION) -> None:
     except FileNotFoundError:
         pass
 
-    pnpm_command = ["/usr/local/bin/pnpm", "install", "--frozen-lockfile"]
-    if production:
-        pnpm_command += ["--prod"]
-
-    deploy_root = get_deploy_root()
-    with open("/proc/self/mounts") as mounts:
-        for line in mounts:
-            fields = line.split()
-            if fields[1] == deploy_root and fields[2] in ("fuse.grpcfuse", "fakeowner"):
-                print("Working around https://github.com/pnpm/pnpm/issues/5803")
-                pnpm_command += ["--package-import-method=copy"]
-
-    run(pnpm_command)
+    run(
+        [
+            "/usr/local/bin/pnpm",
+            "install",
+            "--frozen-lockfile",
+            *(["--prod"] if production else []),
+        ]
+    )