Remove Delta demos

README.md

@@ -3,7 +3,6 @@
 These demos run under binder and can be found at:
 
 * [Spark and Iceberg](https://mybinder.org/v2/gh/projectnessie/nessie-demos/main?labpath=notebooks%2Fnessie-iceberg-demo-nba.ipynb)
-* [Spark and Delta](https://mybinder.org/v2/gh/projectnessie/nessie-demos/main?labpath=notebooks%2Fnessie-delta-demo-nba.ipynb)
 * [Flink and Iceberg](https://mybinder.org/v2/gh/projectnessie/nessie-demos/main?labpath=notebooks%2Fnessie-iceberg-flink-demo-nba.ipynb)
 * [Hive and Iceberg](https://mybinder.org/v2/gh/projectnessie/nessie-demos/main?labpath=notebooks%2Fnessie-iceberg-hive-demo-nba.ipynb)
 
@@ -24,12 +23,6 @@ Nessie version is set in Binder at `docker/binder/requirements_base.txt`. Curren
 
 Currently we are using Iceberg `0.13.1` and it is specified in both iceberg notebooks as well as `docker/utils/__init__.py`
 
-### Delta
-
-Currently, the Delta version is taken directly from the Nessie version and isn't explicitly noted. It is currently `1.1.0-nessie`
-
-See https://github.com/projectnessie/nessie/blob/nessie-0.30.0/pom.xml#L171
-
 ### Spark
 
 Only has to be updated in `docker/binder/requirements.txt`. Currently, Iceberg supports 3.0, 3.1 and 3.2 while deltalake supports