Removes redundant semicolon

Change-Id: I4d1a30c090154ce67976fd9e833a1672a150f072
diff --git a/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/RunAndTrackTest.java b/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/RunAndTrackTest.java
index 37e9e8f..7d852ef 100644
--- a/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/RunAndTrackTest.java
+++ b/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/RunAndTrackTest.java
@@ -359,7 +359,7 @@
 	@Test
 	public void testRemoveHiddenVariable() {
 		doHiddenValueChangeTest((IEclipseContext root, String var) -> {
-			root.remove(var);;
+			root.remove(var);
 		}, "child", 0);
 	}