Update README.md

Author: sparklestheunicorn

README.md

@@ -33,12 +33,3 @@ The v4 folder contains ~~the latest~~ old parts for the Microlab assembly, inclu
 - Tubing adaptors
 - And more! (Update me with precise file names and types)
 
-### Version 3
-
-The `VON_HIPPEL_REACTOR_v0.5/` directory contains STL files for the `v0.5` reactor: a three-piece 3D printed reactor which emphasizes using easy-to-find, off-the-shelf components.
-
-The `VON_HIPPEL_REACTOR_v0.6/` directory contains STL files for the `v0.6` reactor: a single-piece 3D printed reactor which requires a much larger printed piece, but is without the need for other components.
-
-Note that the hole dimensions in the `v0.5` and `v0.6` reactors are the same.
-
-The design of the reactor is ongoing and future versions will be made available here as they are released.