Succinct: SOLE: sole_even not needed after all

fs-succinct/Makefile

 TOP=..
-PICS=sole sole_even
+PICS=sole
 
 include ../Makerules

fs-succinct/sole_even.asy

-import sole_common;
-
-blocks(0, "...", "B", "B", "EOF");
-thruarrows(0, 1, 3);
-blocks(1, "...", "B+1", "B+1", "B+1", "0");
-mixarrows(1, 1, 4); 
-blocks(2, "...", "B-i", "B+j", "B-j", "B+k", "0");
-mixarrows(2, 0, 6);
-blocks(3, "...", "B", "B", "B", "B", "B");