Revert "Merge pull request #1778 from Unity-Technologies/Emergency-fix-for-reflection-probe"

This reverts commit 216ec1b7637b9eabf69444a2f6daa8d1a32ce611, reversing
changes made to 55e35986580cdec9dabb532d066a81c3e8993a91.

com.unity.render-pipelines.high-definition/HDRP/Lighting/Reflection/HDProbe.cs

         public ReflectionProxyVolumeComponent proxyVolume { get { return m_ProxyVolume; } }
 
         /// <summary>InfluenceVolume of the probe.</summary>
-        public InfluenceVolume influenceVolume
-        {
-            get
-            {
-                // We need to init influence volume with a probe. We can call a constructor with 'this' in this case,
-                // we can't do it in Awake (not call in editor) or on OnEnable either.
-                // So do a late init when trying to access it
-                if (m_InfluenceVolume == null)
-                    m_InfluenceVolume = new InfluenceVolume(this);
-                else if (!m_InfluenceVolume.IsInit())
-                {
-                    m_InfluenceVolume.Init(this);
-                }
-
-                return m_InfluenceVolume;
-            }
-
-            private set
-            {
-                m_InfluenceVolume = value;
-            }
-        }
+        public InfluenceVolume influenceVolume { get { return m_InfluenceVolume; } private set { m_InfluenceVolume = value; } }
 
         /// <summary>Multiplier factor of reflection (non PBR parameter).</summary>
         public float multiplier { get { return m_Multiplier; } }
         {
             get { return m_RefreshMode; }
             set { m_RefreshMode = value; }
+        }
+        
+        void Awake()
+        {
+            if (influenceVolume == null)
+                influenceVolume = new InfluenceVolume(this);
+            else
+                influenceVolume.Init(this);
         }
 
         void ISerializationCallbackReceiver.OnBeforeSerialize()

com.unity.render-pipelines.high-definition/HDRP/Lighting/Reflection/Volumes/InfluenceVolume.cs

             }
         }
 
-        /// <summary>Return if an influence volume have been correctly initialize with a probe.</summary>
-        public bool IsInit() { return probe != null; }
-
         /// <summary>Offset of this influence volume to the component handling him.</summary>
         public Vector3 offset { get { return m_Offset; } set { m_Offset = value; } }