Bug 581856: Remove the deprecated IMetadataStrings

Replace it with CoreMetadataStrings use, as prescribed by the
deprecation notice.

Deprecated in commit 2d3d2f0, since v7.1.0.

[Removed] o.e.t.tmf.core.model.timegraph.IMetadataStrings

Change-Id: I6db8a71a890bc92279930a21d41ee3ecb5e193b2
Signed-off-by: Marco Miller <marco.miller@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass/org.eclipse.tracecompass/+/201574
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>

tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/model/ITimeEvent.java

@@ -16,9 +16,9 @@
 package org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model;
 
 import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.tracecompass.tmf.core.model.CoreMetadataStrings;
 import org.eclipse.tracecompass.tmf.core.model.ICoreElementResolver;
 import org.eclipse.tracecompass.tmf.core.model.ICorePropertyCollection;
-import org.eclipse.tracecompass.tmf.core.model.timegraph.IMetadataStrings;
 
 import com.google.common.collect.ImmutableMultimap;
 import com.google.common.collect.Multimap;
@@ -95,6 +95,6 @@ default String getLabel() {
     @Override
     default @NonNull Multimap<@NonNull String, @NonNull Object> getMetadata() {
         String entryName = getEntry().getName();
-        return (entryName != null) ? ImmutableMultimap.of(IMetadataStrings.ENTRY_NAME_KEY, entryName) : ImmutableMultimap.of();
+        return (entryName != null) ? ImmutableMultimap.of(CoreMetadataStrings.ENTRY_NAME_KEY, entryName) : ImmutableMultimap.of();
     }
 }

tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/model/NamedTimeEvent.java

@@ -14,7 +14,7 @@
 import java.util.Objects;
 
 import org.eclipse.jdt.annotation.NonNull;
-import org.eclipse.tracecompass.tmf.core.model.timegraph.IMetadataStrings;
+import org.eclipse.tracecompass.tmf.core.model.CoreMetadataStrings;
 import org.eclipse.tracecompass.tmf.core.model.timegraph.ITimeGraphState;
 
 import com.google.common.collect.ImmutableMultimap;
@@ -101,7 +101,7 @@ public NamedTimeEvent(ITimeGraphEntry entry, String label, ITimeGraphState state
         }
         com.google.common.collect.ImmutableMultimap.Builder<String, Object> builder = ImmutableMultimap.builder();
         builder.putAll(super.getMetadata());
-        builder.put(IMetadataStrings.ENTRY_NAME_KEY, entryName);
+        builder.put(CoreMetadataStrings.ENTRY_NAME_KEY, entryName);
         return builder.build();
     }