1 files changed, 0 insertions, 78 deletions
diff --git a/pylint/extensions/emptystring.py b/pylint/extensions/emptystring.py
deleted file mode 100644
index 7053187b8..000000000
--- a/pylint/extensions/emptystring.py
+++ /dev/null
@@ -1,78 +0,0 @@
-# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
-# For details: https://github.com/pylint-dev/pylint/blob/main/LICENSE
-# Copyright (c) https://github.com/pylint-dev/pylint/blob/main/CONTRIBUTORS.txt
-
-"""Looks for  comparisons to empty string."""
-
-from __future__ import annotations
-
-import itertools
-from typing import TYPE_CHECKING
-
-from astroid import nodes
-
-from pylint import checkers
-from pylint.checkers import utils
-from pylint.interfaces import HIGH
-
-if TYPE_CHECKING:
-    from pylint.lint import PyLinter
-
-
-class CompareToEmptyStringChecker(checkers.BaseChecker):
-    name = "compare-to-empty-string"
-    msgs = {
-        "C1901": (
-            '"%s" can be simplified to "%s" as an empty string is falsey',
-            "compare-to-empty-string",
-            "Used when Pylint detects comparison to an empty string constant.",
-        )
-    }
-
-    options = ()
-
-    @utils.only_required_for_messages("compare-to-empty-string")
-    def visit_compare(self, node: nodes.Compare) -> None:
-        """Checks for comparisons to empty string.
-
-        Most of the time you should use the fact that empty strings are false.
-        An exception to this rule is when an empty string value is allowed in the program
-        and has a different meaning than None!
-        """
-        _operators = {"!=", "==", "is not", "is"}
-        # note: astroid.Compare has the left most operand in node.left while the rest
-        # are a list of tuples in node.ops the format of the tuple is
-        # ('compare operator sign', node) here we squash everything into `ops`
-        # to make it easier for processing later
-        ops: list[tuple[str, nodes.NodeNG | None]] = [("", node.left)]
-        ops.extend(node.ops)
-        iter_ops = iter(ops)
-        ops = list(itertools.chain(*iter_ops))  # type: ignore[arg-type]
-        for ops_idx in range(len(ops) - 2):
-            op_1: nodes.NodeNG | None = ops[ops_idx]
-            op_2: str = ops[ops_idx + 1]  # type: ignore[assignment]
-            op_3: nodes.NodeNG | None = ops[ops_idx + 2]
-            error_detected = False
-            if op_1 is None or op_3 is None or op_2 not in _operators:
-                continue
-            node_name = ""
-            # x ?? ""
-            if utils.is_empty_str_literal(op_1):
-                error_detected = True
-                node_name = op_3.as_string()
-            # '' ?? X
-            elif utils.is_empty_str_literal(op_3):
-                error_detected = True
-                node_name = op_1.as_string()
-            if error_detected:
-                suggestion = f"not {node_name}" if op_2 in {"==", "is"} else node_name
-                self.add_message(
-                    "compare-to-empty-string",
-                    args=(node.as_string(), suggestion),
-                    node=node,
-                    confidence=HIGH,
-                )
-
-
-def register(linter: PyLinter) -> None:
-    linter.register_checker(CompareToEmptyStringChecker(linter))