tutorials: Removed unused mergePatchPairs entries from blockMeshDicts

tutorials/incompressibleFluid/oscillatingInlet/system/blockMeshDict

@@ -93,8 +93,4 @@ boundary
     }
 );
 
-mergePatchPairs
-(
-);
-
 // ************************************************************************* //

tutorials/multiphaseEuler/LBend/system/blockMeshDict

@@ -112,7 +112,6 @@ boundary
             (12 13 14 15)
         );
     }
-
 );
 
 mergePatchPairs
@@ -120,5 +119,4 @@ mergePatchPairs
     (wall_merge wall_merge2)
 );
 
-
 // ************************************************************************* //

tutorials/multiphaseEuler/hydrofoil/system/blockMeshDict

@@ -267,8 +267,5 @@ boundary
     }
 );
 
-mergePatchPairs
-();
-
 // ************************************************************************* //
 

tutorials/multiphaseEuler/pipeBend/system/blockMeshDict

@@ -179,5 +179,4 @@ boundary
     }
 );
 
-mergePatchPairs
+// ************************************************************************* //
-();

tutorials/resources/blockMesh/ballValve

@@ -397,8 +397,4 @@ boundary
     }
 );
 
-mergePatchPairs
-(
-);
-
 // ************************************************************************* //