Move cudf._lib.sort to cudf.core._internals (#17488)

Contributes to #17317

Authors:
  - Matthew Roeschke (https://github.com/mroeschke)

Approvers:
  - Matthew Murray (https://github.com/Matt711)

URL: #17488

Author: mroeschke

python/cudf/cudf/_lib/CMakeLists.txt

@@ -12,8 +12,8 @@
 # the License.
 # =============================================================================
 
-set(cython_sources column.pyx copying.pyx groupby.pyx interop.pyx scalar.pyx sort.pyx
-                   stream_compaction.pyx string_casting.pyx strings_udf.pyx types.pyx utils.pyx
+set(cython_sources column.pyx copying.pyx groupby.pyx interop.pyx scalar.pyx stream_compaction.pyx
+                   string_casting.pyx strings_udf.pyx types.pyx utils.pyx
 )
 set(linked_libraries cudf::cudf)
 

python/cudf/cudf/_lib/__init__.py

@@ -5,7 +5,6 @@
     copying,
     groupby,
     interop,
-    sort,
     stream_compaction,
     string_casting,
     strings_udf,