Remove ELK JARs from Git

Keep jgraphx.jar because it is a custom-built version (from
https://github.com/slisson/jgraphx) that is not available from any
repository.

build.gradle

@@ -165,58 +165,32 @@ task copyModelApi() {
 
 configurations {
     ant_lib
-    diagram_lib
+    diagram_lib {
+        exclude(group: 'com.google.guava')
+        attributes.attribute(Attribute.of('org.gradle.jvm.environment', String), 'standard-jvm')
+    }
 }
 
 dependencies {
     ant_lib "org.apache.ant:ant-junit:1.10.14"
 
     def elkVersion = "0.9.1"
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.common:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.layered:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.mrtree:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.radial:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.force:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.disco:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.rectpacking:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.spore:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.topdownpacking:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.core:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.elk:org.eclipse.elk.graph:$elkVersion") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.emf:org.eclipse.emf.common:2.30.0") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.emf:org.eclipse.emf.ecore:2.36.0") {
-        transitive = false
-    }
-    diagram_lib ("org.eclipse.emf:org.eclipse.emf.ecore.xmi:2.37.0") {
-        transitive = false
-    }
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.common:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.layered:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.mrtree:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.radial:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.force:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.disco:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.rectpacking:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.spore:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.alg.topdownpacking:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.core:$elkVersion")
+    diagram_lib ("org.eclipse.elk:org.eclipse.elk.graph:$elkVersion")
+    diagram_lib ("org.eclipse.emf:org.eclipse.emf.common:2.30.0")
+    diagram_lib ("org.eclipse.emf:org.eclipse.emf.ecore:2.36.0")
+    diagram_lib ("org.eclipse.emf:org.eclipse.emf.ecore.xmi:2.37.0")
 }
 
-configurations.diagram_lib.attributes.attribute(Attribute.of('org.gradle.jvm.environment', String), 'standard-jvm')
 
 ext.buildScriptClasspath = project.configurations.ant_lib.fileCollection({
     true

code/diagram/solutions/de.itemis.mps.editor.diagram.runtime/lib/.gitignore

@@ -0,0 +1,2 @@
+*
+!jgraphx.jar