fix: v3bwfile: cap is never None

sbws/lib/v3bwfile.py

@@ -1398,8 +1398,7 @@ class V3BWFile(object):
             # round and convert to KB
             bw_new = kb_round_x_sig_dig(bw_scaled, digits=num_round_dig)
             # Cap maximum bw
-            if cap is not None:
-                bw_new = min(hlimit, bw_new)
+            bw_new = min(hlimit, bw_new)
             # avoid 0
             l.bw = max(bw_new, 1)
         return sorted(bw_lines_tf, key=lambda x: x.bw, reverse=reverse)