Merge pull request #1028 from syrupy-project/noahnu-patch-1

Update README to remove outdated branch note

Author: noahnu

README.md

@@ -1,7 +1,5 @@
 # syrupy
 
-> Note that the main branch points to the v5 pre-release. To see documentation for the latest stable release, see the [README for v4.9.1](https://github.com/syrupy-project/syrupy/blob/v4.9.1/README.md).
-
 <img align="right" width="100px" height="100px" src="https://user-images.githubusercontent.com/2528959/69500147-85d71400-0ec6-11ea-867a-277881278e57.png" alt="Logo">
 
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