Remove 6.0 minor version in README

Author: Clément Tourrière

README.md

@@ -264,7 +264,6 @@ To install it, launch this command in Elasticsearch directory replacing the url
 | 6.3.2 | 6.3.2.1 | https://github.com/opendatasoft/elasticsearch-aggregation-pathhierarchy/releases/download/v6.3.2.1/elasticsearch-aggregation-pathhierarchy-6.3.2.1.zip |
 | 6.4.3 | 6.4.3.0 | https://github.com/opendatasoft/elasticsearch-aggregation-pathhierarchy/releases/download/v6.4.3.0/elasticsearch-aggregation-pathhierarchy-6.4.3.0.zip |
 | 6.5.4 | 6.5.4.1 | https://github.com/opendatasoft/elasticsearch-aggregation-pathhierarchy/releases/download/v6.5.4.1/pathhierarchy-aggregation-6.5.4.1.zip |
-| 6.6.0 | 6.6.0.2 | https://github.com/opendatasoft/elasticsearch-aggregation-pathhierarchy/releases/download/v6.6.0.2/pathhierarchy-aggregation-6.6.0.2.zip |
 | 6.6.1 | 6.6.1.0 | https://github.com/opendatasoft/elasticsearch-aggregation-pathhierarchy/releases/download/v6.6.1.0/pathhierarchy-aggregation-6.6.1.0.zip |