Remove extra obs and make block smaller

Project/Assets/ML-Agents/Examples/PushBlock/Scenes/2ZombieVs3AgentsPushBlock.unity

     Rb: {fileID: 0}
   UseRandomAgentRotation: 1
   UseRandomAgentPosition: 1
-  UseRandomBlockRotation: 1
+  UseRandomBlockRotation: 0
   UseRandomBlockPosition: 1
 --- !u!4 &35422107
 Transform:
   m_GameObject: {fileID: 180376172}
   m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
   m_LocalPosition: {x: 2.8199997, y: 1, z: -1.43}
-  m_LocalScale: {x: 4, y: 0.75, z: 4}
+  m_LocalScale: {x: 3.5, y: 1.5, z: 3.5}
   m_Children: []
   m_Father: {fileID: 35422107}
   m_RootOrder: 6
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_GameObject: {fileID: 997359139}
   m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
   m_LocalPosition: {x: 2.8199997, y: 1, z: -1.43}
-  m_LocalScale: {x: 4, y: 0.75, z: 4}
+  m_LocalScale: {x: 3.5, y: 1.5, z: 3.5}
   m_Children: []
   m_Father: {fileID: 1056693890}
   m_RootOrder: 6
     Rb: {fileID: 0}
   UseRandomAgentRotation: 1
   UseRandomAgentPosition: 1
-  UseRandomBlockRotation: 1
+  UseRandomBlockRotation: 0
   UseRandomBlockPosition: 1
 --- !u!4 &1056693890
 Transform:
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_GameObject: {fileID: 1906676962}
   m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
   m_LocalPosition: {x: 2.8199997, y: 1, z: -1.43}
-  m_LocalScale: {x: 4, y: 0.75, z: 4}
+  m_LocalScale: {x: 3.5, y: 1.5, z: 3.5}
   m_Children: []
   m_Father: {fileID: 2124347356}
   m_RootOrder: 6
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
     Rb: {fileID: 0}
   UseRandomAgentRotation: 1
   UseRandomAgentPosition: 1
-  UseRandomBlockRotation: 1
+  UseRandomBlockRotation: 0
   UseRandomBlockPosition: 1
 --- !u!4 &2124347356
 Transform:
     StartingRot: {x: 0, y: 0, z: 0, w: 0}
     Rb: {fileID: 0}
   UseRandomAgentRotation: 1
-  UseRandomAgentPosition: 0
-  UseRandomBlockRotation: 1
+  UseRandomAgentPosition: 1
+  UseRandomBlockRotation: 0
   UseRandomBlockPosition: 1
 --- !u!1 &1257456948449766
 GameObject:
   m_Name: 
   m_EditorClassIdentifier: 
   m_BrainParameters:
-    VectorObservationSize: 1
+    VectorObservationSize: 0
     NumStackedVectorObservations: 2
     m_ActionSpec:
       m_NumContinuousActions: 0
   m_GameObject: {fileID: 8120829477783372687}
   m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
   m_LocalPosition: {x: 2.8199997, y: 1, z: -1.43}
-  m_LocalScale: {x: 4, y: 0.75, z: 4}
+  m_LocalScale: {x: 3.5, y: 1.5, z: 3.5}
   m_Children: []
   m_Father: {fileID: 4006991767121726}
   m_RootOrder: 6