OpenZL is now a plugin, so no need to reference to it here anymore

Author: FrancescAlted

README.rst

@@ -53,17 +53,6 @@ Conda users can install from conda-forge:
 
     conda install -c conda-forge python-blosc2
 
-Windows note
-============
-
-When building from source on Windows, clang-cl is required (OpenZL depends on C11 support).
-Make sure LLVM is on PATH and use the Ninja generator, for example::
-
-    CMAKE_GENERATOR=Ninja
-    CC=clang-cl
-    CXX=clang-cl
-    pip install -e .
-
 Documentation
 =============
 

README_DEVELOPERS.md

@@ -22,7 +22,7 @@ You are done!
     pip install .   # add -e for editable mode
 ```
 
-On Windows, clang-cl is required (OpenZL depends on C11 support). Make sure LLVM
+On Windows, clang-cl is required now. Make sure LLVM
 is on PATH and build with Ninja, for example:
 
 ```bash