Remove unnecessary layout call on shell in
databinding snippets

I think the layout call on the shell after opening it is unnecessary.
The open() calls calls already updateLayout via the following call
chain:

GridLayout.layout(Composite, boolean) line: 200
Shell(Composite).updateLayout(boolean) line: 1812
Shell.setVisible(boolean) line: 2813
Shell.open() line: 1923

Change-Id: I413f73a756f06be0a84c5b846f5af50858b531bf
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet020TreeViewerWithSetFactory.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet020TreeViewerWithSetFactory.java
index 352d176..2915015 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet020TreeViewerWithSetFactory.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet020TreeViewerWithSetFactory.java
@@ -218,7 +218,6 @@
 		initExtraBindings(m_bindingContext);
 
 		shell.open();
-		shell.layout();
 
 		return shell;
 	}
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet024SelectObservableValue.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet024SelectObservableValue.java
index ea931c2..c3a8d72 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet024SelectObservableValue.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet024SelectObservableValue.java
@@ -85,7 +85,6 @@
 		bindingContext.bindValue(radioGroup, listViewerSelection);
 
 		shell.open();
-		shell.layout();
 		return shell;
 	}
 
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet026AnonymousBeanProperties.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet026AnonymousBeanProperties.java
index 77c25b8..1277d56 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet026AnonymousBeanProperties.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet026AnonymousBeanProperties.java
@@ -325,7 +325,6 @@
 		bindUI();
 
 		shell.open();
-		shell.layout();
 		return shell;
 	}
 
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet028DuplexingObservableValue.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet028DuplexingObservableValue.java
index 4a824bf..9632012 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet028DuplexingObservableValue.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet028DuplexingObservableValue.java
@@ -128,7 +128,6 @@
 		bindUI();
 
 		shell.open();
-		shell.layout();
 		return shell;
 	}
 
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet029TreeViewerMultiListProperty.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet029TreeViewerMultiListProperty.java
index e46b52b..18772e1 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet029TreeViewerMultiListProperty.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet029TreeViewerMultiListProperty.java
@@ -69,7 +69,6 @@
 		bindUI();
 
 		shell.open();
-		shell.layout();
 		return shell;
 	}