simplify github links

frozen/zkcr-bt30.md

@@ -14,11 +14,11 @@ Miroslav Kratochvíl, Laurent Heirendt, St. Elmo Wilken, TaneliPusa, Sylvain Arr
 {% rgridblock a-unique-id %}
 
 {% rblock source code | fas fa-code-branch %}
-**COBREXA.jl** source code is hosted at GitHub repository [LCSB-BioCore/COBREXA.jl](https://github.com/LCSB-BioCore/COBREXA.jl).
+**COBREXA.jl** source code is available from [GitHub](https://github.com/LCSB-BioCore/COBREXA.jl).
 
-**SBML.jl** source code is hosted at GitHub repository [LCSB-BioCore/SBML.jl](https://github.com/LCSB-BioCore/SBML.jl).
+**SBML.jl** source code is available from [GitHub](https://github.com/LCSB-BioCore/SBML.jl).
 
-**DistributedData.jl** source code is hosted at GitHub repository [LCSB-BioCore/DistributedData.jl](https://github.com/LCSB-BioCore/DistributedData.jl).
+**DistributedData.jl** source code is available from [GitHub](https://github.com/LCSB-BioCore/DistributedData.jl).
 {% endrblock %}
 
 {% rblock documentation | fas fa-book %}