Remove [watcher_goals] config section

In this changeset, I remove the now unused [watcher_goals] section.

Partially Implements: blueprint get-goal-from-strategy

Change-Id: I91e4e1ac3a58bb6f3e30b11449cf1a6eb18cd0ca

watcher/opts.py

@@ -22,14 +22,11 @@ from watcher.applier import manager as applier_manager
 from watcher.common import clients
 from watcher.decision_engine import manager as decision_engine_manger
 from watcher.decision_engine.planner import manager as planner_manager
-from watcher.decision_engine.strategy.selection import default \
-    as strategy_selector
 
 
 def list_opts():
     return [
         ('api', watcher.api.app.API_SERVICE_OPTS),
-        ('watcher_goals', strategy_selector.WATCHER_GOALS_OPTS),
         ('watcher_decision_engine',
          decision_engine_manger.WATCHER_DECISION_ENGINE_OPTS),
         ('watcher_applier', applier_manager.APPLIER_MANAGER_OPTS),