Revert "Set versioning for the new release"

This reverts commit a938f8d.

Author: Kodiologist

hy/__init__.py

@@ -1,5 +1,5 @@
-__version__ = '1.2.0'
-nickname = 'Crackers and Snacks'
+__version__ = 'unreleased'
+nickname = None
 last_version = '1.2.0'
   # This is used by `(pragma :hy …)` to guess whether an unreleased
   # version of Hy is new enough. In a released version, it's simply

setup.py

@@ -34,7 +34,7 @@ def run(self):
 
 setup(
     name=PKG,
-    version='1.2.0',
+    version='0.0.0',
     setup_requires=["wheel"] + requires,
     install_requires=requires,
     python_requires=">= 3.9, < 3.15",