v6.2.0 installs files directly under site-packages

[moubctez]

README.md and CHANGELOG.md should not be installed directly under site-packages.

This patch fixes the issue:

--- pyproject.toml.orig	2024-04-26 20:03:26.188129942 +0000
+++ pyproject.toml
@@ -4,7 +4,6 @@ version = "6.2.0"
 description = "Fixes mojibake and other problems with Unicode, after the fact"
 authors = ["Robyn Speer <[email protected]>"]
 license = "Apache-2.0"
-include = ["README.md", "CHANGELOG.md", "tests"]
 readme = "README.md"
 
 [tool.poetry.dependencies]