fix: Remove ffspec from parquet reader (#15927)

py-polars/polars/io/parquet/functions.py

@@ -15,13 +15,10 @@
 from polars.convert import from_arrow
 from polars.dependencies import import_optional
 from polars.io._utils import (
-    is_local_file,
-    is_supported_cloud,
     parse_columns_arg,
     parse_row_index_args,
     prepare_file_arg,
 )
-from polars.io.parquet.anonymous_scan import _scan_parquet_fsspec
 
 with contextlib.suppress(ImportError):
     from polars.polars import PyDataFrame, PyLazyFrame
@@ -343,8 +340,6 @@ def scan_parquet(
         Cache the result after reading.
     storage_options
         Options that indicate how to connect to a cloud provider.
-        If the cloud provider is not supported by Polars, the storage options
-        are passed to `fsspec.open()`.
 
         The cloud providers currently supported are AWS, GCP, and Azure.
         See supported keys here:
@@ -425,24 +420,9 @@ def _scan_parquet_impl(
     if isinstance(source, list):
         sources = source
         source = None  # type: ignore[assignment]
-        can_use_fsspec = False
     else:
-        can_use_fsspec = True
         sources = []
 
-    # try fsspec scanner
-    if (
-        can_use_fsspec
-        and not is_local_file(source)  # type: ignore[arg-type]
-        and not is_supported_cloud(source)  # type: ignore[arg-type]
-    ):
-        scan = _scan_parquet_fsspec(source, storage_options)  # type: ignore[arg-type]
-        if n_rows:
-            scan = scan.head(n_rows)
-        if row_index_name is not None:
-            scan = scan.with_row_index(row_index_name, row_index_offset)
-        return scan
-
     if storage_options:
         storage_options = list(storage_options.items())  # type: ignore[assignment]
     else: