Polish usages

Author: rubensworks

pages/docs/1_query/2_usage.md

@@ -139,9 +139,6 @@ Using the power of Comunica and JSON-LD contexts, you can write expressions like
 LDflex is used within the [Solid](https://solidproject.org/) community to easily [interact with one or more Solid data pods](https://github.com/solid/query-ldflex/).
 Using the compact syntax of LDflex, it is very simple to query from within [React components](https://github.com/solid/react-components).
 
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-<img src="/img/usage-showcase/graphql-ld.jpg" alt="GraphQL-LD logo" class="usage-logo" />
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 ## GraphQL-LD
 
 _Academic_
@@ -175,9 +172,6 @@ _Open Source_
 
 LDkit provides built-in support to query SPARQL endpoints, but it is [fully compatible with Comunica](https://ldkit.io/docs/how-to/query-with-comunica) in case you need to access other RDF data sources.
 
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 ## RDF Parse
 
 _Open Source_
@@ -186,9 +180,6 @@ _Open Source_
 It supports all of the major RDF serializations.
 Internally, this library makes use of the `rdf-parse` bus and actors from Comunica.
 
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 ## RDF Dereference
 
 _Open Source_
@@ -197,9 +188,6 @@ _Open Source_
 This tool is useful in situations where you have a URL, and you just need the parsed triples/quads, without having to concern yourself with determining the correct content type and picking the correct parser.
 Internally, this library makes use of the `rdf-dereference` bus and actors from Comunica.
 
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 ## RDF Play
 
 _Open Source_
@@ -255,9 +243,6 @@ _Academic_
 It generates realistic social-network RDF datasets distributed across simulated Solid pods
 and uses Comunica SPARQL Solid as its reference query engine to execute and measure benchmark queries.
 
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 ## JBR
 
 _Academic_