docs: Cleanup README

Author: Stranger6667

README.rst

@@ -5,19 +5,15 @@ hypothesis-graphql
 
 Hypothesis strategies for GraphQL schemas, queries and data.
 
-**NOTE** This package is experimental, many things don't work yet and documented in a way they are planned to be used.
+**NOTE** This package is experimental, some features are not supported yet.
 
 Usage
 -----
 
-There are four strategies for different use cases.
+There are two strategies for different use cases.
 
 1. Schema generation - ``hypothesis_graphql.strategies.schema()``
 2. Query - ``hypothesis_graphql.strategies.query(schema)``.
-3. Response for a query - ``hypothesis_graphql.strategies.response(schema, query)``
-4. Data for a type - ``hypothesis_graphql.strategies.data(schema, type_name)``
-
-At the moment only ``schema`` & ``query`` are working with some limitations.
 
 Lets take this schema as an example:
 
@@ -45,9 +41,9 @@ Then strategies might be used in this way:
     from hypothesis import given
     from hypothesis_graphql import strategies as gql_st
 
-    SCHEMA = """..."""  # the one above
+    SCHEMA = "..."  # the one above
 
-    @given(query=gql_st.query(schema))
+    @given(query=gql_st.query(SCHEMA))
     def test_query(query):
         ...
         # This query might be generated:
@@ -58,29 +54,6 @@ Then strategies might be used in this way:
         #   }
         # }
 
-    @given(response=gql_st.response(schema, query))
-    def test_response(response):
-        ...
-        # Example response with a query from the example above:
-        #
-        # {
-        #   "data": {
-        #     "getBooks": [
-        #       {"title": "War and Peace"}
-        #     ]
-        #   }
-        # }
-
-    @given(data=gql_st.data(schema, "Book"))
-    def test_data(data):
-        ...
-        # Example data:
-        #
-        # {
-        #   "title": "War and Peace"
-        #   "author": {"name": "Leo Tolstoy"}
-        # }
-
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