vertexcodec: Reduce the amount of printed traces

bitg[0] is always 0 because we accumulate only sizes, and we store zero
data bits for bit0... we might need to print count percentages in the
future instead but this is probably ok for now.

Also reduce the space wasted by extra whitespace.

src/vertexcodec.cpp

@@ -1218,12 +1218,11 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 
 		size_t total_k = vsk.header + vsk.bitg[0] + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[3];
 
-		printf("\t\thdr %5.1f%%; bitg 0 [%4.1f%%] 1 [%4.1f%%] 2 [%4.1f%%] 3 [%4.1f%%]",
-		    double(vsk.header) / double(total_k) * 100,
-		    double(vsk.bitg[0]) / double(total_k) * 100, double(vsk.bitg[1]) / double(total_k) * 100,
+		printf(" |\thdr [%5.1f%%] bitg 1-3 [%4.1f%% %4.1f%% %4.1f%%]",
+		    double(vsk.header) / double(total_k) * 100, double(vsk.bitg[1]) / double(total_k) * 100,
 		    double(vsk.bitg[2]) / double(total_k) * 100, double(vsk.bitg[3]) / double(total_k) * 100);
 
-		printf("\tbitc [%4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%%]",
+		printf(" |\tbitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
 		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
 		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
 		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,