callstack: Update the symbol's toString method

This method is often used in the UI, so remove the prefix and just
display the symbol part of the toString()

Change-Id: I9f468771ba73e01bfb49d01243fe8495b350a992
Signed-off-by: Geneviève Bastien <gbastien+lttng@versatic.net>
Reviewed-on: https://git.eclipse.org/r/154440
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Tested-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
diff --git a/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/ResolvableSymbol.java b/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/ResolvableSymbol.java
index 629416c..d6cb01d 100644
--- a/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/ResolvableSymbol.java
+++ b/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/ResolvableSymbol.java
@@ -71,7 +71,7 @@
 
     @Override
     public String toString() {
-        return "Resolvable Symbol: 0x" + Long.toHexString(fAddr) + " in " + fPid; //$NON-NLS-1$//$NON-NLS-2$
+        return "0x" + Long.toHexString(fAddr) + " in " + fPid; //$NON-NLS-1$//$NON-NLS-2$
     }
 
 }
diff --git a/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/StringSymbol.java b/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/StringSymbol.java
index 0ee4483..0496068 100644
--- a/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/StringSymbol.java
+++ b/callstack/org.eclipse.tracecompass.incubator.callstack.core/src/org/eclipse/tracecompass/incubator/internal/callstack/core/symbol/StringSymbol.java
@@ -58,6 +58,6 @@
 
     @Override
     public String toString() {
-        return "String Symbol: " + fSymbol; //$NON-NLS-1$
+        return String.valueOf(fSymbol);
     }
 }