Merge pull request #550 from geneontology/suzialeksander-patch-116

Update tools-guide.md

_docs/tools-guide.md

@@ -9,7 +9,7 @@ redirect_from:
 
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-> This page documents various ways to query the ontology and annotations using the GO APIs
+> This page documents how to query the ontology and annotations using the GO APIs
 
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@@ -31,11 +31,3 @@ Note: pagination can be achieved by using the start & rows parameter. [Example](
 ```
 http://api.geneontology.org/api/bioentity/function/GO:0006915?start=0&rows=2
 ```
-
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-
-## Query GO Causal Activity Models (SPARQL endpoint)
-
-GO provides an experimental SPARQL endpoint to query both the GO ontology and GO-CAMs. Please refer to the [RDF/SPARQL documentation](/docs/sparql) to learn about the how GO-CAMs are represented in RDF and queries through SPARQL. 
-
-Already a GO-CAM/SPARQL expert ? [ [Access GO SPARQL endpoint](http://sparql.geneontology.org/){:target="blank"} ]