Remove mention of network search from readme

Author: kkaris

readme.md

@@ -9,16 +9,6 @@ We use the CRISPr data from the Dependency Map
 [portal](https://depmap.org/portal/) managed by the Broad Institute to look at
 genetic dependency on viability. Specifically, we look at the gene effect data.
 
-## INDRA Network Search Service
-
-The INDRA Network Search is a web service that exposes the (pre-)assembled 
-knowledge in INDRA for network path searches. The service is available at
-[https://network.indra.bio](https://network.indra.bio).
-
-Read the [documentation](https://depmap-analysis.readthedocs.io/en/latest/)
-for more information about how to use the different POST endpoints and the
-web ui.
-
 ## Funding
 
 DepMap Analysis is funded as part of the DARPA Automated Scientific Discovery