revert main 49.0.0 md

Author: kosiew

dev/changelog/49.0.0.md

@@ -25,10 +25,6 @@ This release consists of 16 commits from 7 contributors. See credits at the end
 
 - fix(build): Include build.rs in published crates [#1199](https://github.com/apache/datafusion-python/pull/1199) (colinmarc)
 
-**Deprecations:**
-
-- Document that `SessionContext.register_table_provider` is deprecated in favor of `SessionContext.register_table`.
-
 **Other:**
 
 - 48.0.0 Release [#1175](https://github.com/apache/datafusion-python/pull/1175) (timsaucer)