STYLE: use List clear() instead of setSize(0), resize(0)

- adds some consistency

applications/utilities/mesh/conversion/cfx4ToFoam/cfx4ToFoam.C

@@ -200,7 +200,7 @@ int main(int argc, char *argv[])
         )
         {
             patchMasterBlocks[patchi] = -1;
-            rawPatches[patchi].setSize(0);
+            rawPatches[patchi].clear();
         }
         else
         {

applications/utilities/mesh/conversion/fluent3DMeshToFoam/fluent3DMeshToFoam.L

@@ -1211,7 +1211,7 @@ int main(int argc, char *argv[])
     {
         meshMod.addPoint(points[pointi], pointi, -1, true);
     }
-    points.setSize(0);
+    points.clear();
 
     // Add all cells
     for (label celli = 0; celli < nCells; celli++)
@@ -1411,9 +1411,9 @@ int main(int argc, char *argv[])
     }
 
     // Reclaim storage
-    faces.setSize(0);
-    owner.setSize(0);
-    neighbour.setSize(0);
+    faces.clear();
+    owner.clear();
+    neighbour.clear();
 
 
     // Modify mesh

applications/utilities/mesh/conversion/ideasUnvToFoam/ideasUnvToFoam.C

@@ -1059,7 +1059,7 @@ int main(int argc, char *argv[])
                     }
                 }
 
-                patchFaces.setSize(0); // Assume that this is no patch at all
+                patchFaces.clear();  // Assume that this is no patch at all
 
                 if (cellCorrespondence[faceIndices[0]] >= 0)
                 {

applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/cellSizeControlSurfaces/cellSizeFunction/uniform/uniform.C

@@ -71,8 +71,8 @@ bool uniform::sizeLocations
     scalarField& shapeSizes
 ) const
 {
-    shapePts.setSize(0);
-    shapeSizes.setSize(0);
+    shapePts.clear();
+    shapeSizes.clear();
 
     return true;
 }