Fix issue requiring to install spacy and rapidfuzz even if not used (#337)

* Fix issue requiring to install spacy and rapidfuzz even if not used

* Update CHANGELOG and doc

Author: stellasia

CHANGELOG.md

@@ -2,15 +2,10 @@
 
 ## Next
 
-### Added
-
-- Added support for automatic schema extraction from text using LLMs. In the `SimpleKGPipeline`, when the user provides no schema, the automatic schema extraction is enabled by default. 
-
 ### Fixed
 
 - Fixed a bug where `spacy` and `rapidfuzz` needed to be installed even if not using the relevant entity resolvers.
 
-
 ## 1.7.0
 
 ### Added