Remove unused activeScope method (#8531) (#8646)

Author: mcculls

dd-trace-core/src/main/java/datadog/trace/core/CoreTracer.java

@@ -965,11 +965,6 @@ public AgentSpan activeSpan() {
     return scopeManager.activeSpan();
   }
 
-  @Override
-  public AgentScope activeScope() {
-    return scopeManager.active();
-  }
-
   @Override
   public void checkpointActiveForRollback() {
     this.scopeManager.checkpointActiveForRollback();

internal-api/src/main/java/datadog/trace/bootstrap/instrumentation/api/AgentTracer.java

@@ -189,12 +189,6 @@ public static AgentSpan activeSpan() {
     return get().activeSpan();
   }
 
-  /** @deprecated To be removed, do not use. */
-  @Deprecated
-  public static AgentScope activeScope() {
-    return get().activeScope();
-  }
-
   /**
    * Checks whether asynchronous propagation is enabled, meaning this context will propagate across
    * asynchronous boundaries.
@@ -368,8 +362,6 @@ AgentSpan startSpan(
 
     AgentSpan activeSpan();
 
-    AgentScope activeScope();
-
     default AgentSpan blackholeSpan() {
       final AgentSpan active = activeSpan();
       return new BlackHoleSpan(active != null ? active.getTraceId() : DDTraceId.ZERO);
@@ -539,11 +531,6 @@ public AgentSpan activeSpan() {
       return NoopSpan.INSTANCE;
     }
 
-    @Override
-    public AgentScope activeScope() {
-      return null;
-    }
-
     @Override
     public AgentSpan blackholeSpan() {
       return NoopSpan.INSTANCE; // no-op tracer stays no-op