Bug 548344 - Remove Tab Support for environment inline editing

Patch ready for review.

Change-Id: I1b36ae797264e38a9cae67529ec803fd6c875524
Signed-off-by: Andrew Obuchowicz <aobuchow@redhat.com>
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/EnvironmentTab.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/EnvironmentTab.java
index 4c112ad..c320462 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/EnvironmentTab.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/EnvironmentTab.java
@@ -55,7 +55,6 @@
 import org.eclipse.jface.layout.PixelConverter;
 import org.eclipse.jface.layout.TableColumnLayout;
 import org.eclipse.jface.viewers.ColumnLabelProvider;
-import org.eclipse.jface.viewers.ColumnViewerEditor;
 import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
 import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
 import org.eclipse.jface.viewers.ColumnWeightData;
@@ -406,10 +405,7 @@
 			}
 		};
 
-		int feature = ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
-				| ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION;
-
-		TableViewerEditor.create(environmentTable, actSupport, feature);
+		TableViewerEditor.create(environmentTable, actSupport, SWT.NONE);
 
 		// Setup environment variable name column
 		final TableViewerColumn tcv1 = new TableViewerColumn(environmentTable, SWT.NONE, 0);