feat(ux): move ibis.expr.selectors to ibis.selectors and deprecat…

…e for removal in 6.0

docs/api/selectors.md

@@ -1,5 +1,5 @@
 # Column Selectors
 
 <!-- prettier-ignore-start -->
-::: ibis.expr.selectors
+::: ibis.selectors
 <!-- prettier-ignore-end -->

ibis/backends/tests/test_generic.py

@@ -12,7 +12,7 @@
 import ibis
 import ibis.common.exceptions as com
 import ibis.expr.datatypes as dt
-import ibis.expr.selectors as s
+import ibis.selectors as s
 from ibis import _
 from ibis import literal as L
 

ibis/expr/api.py

@@ -17,11 +17,10 @@
 import ibis.expr.rules as rlz
 import ibis.expr.schema as sch
 import ibis.expr.types as ir
-from ibis import util
+from ibis import selectors, util
 from ibis.backends.base import BaseBackend, connect
 from ibis.common.dispatch import lazy_singledispatch
 from ibis.common.exceptions import IbisInputError
-from ibis.expr import selectors
 from ibis.expr.decompile import decompile
 from ibis.expr.deferred import Deferred
 from ibis.expr.schema import Schema