libticalcs: fix romdump.c build after cmd73.h disappeared (the include wasn't needed anymore, at that); while at it, reformat the code, get rid of TRYF(...), make most functions from romdump.c static.

Signed-off-by: Lionel Debroux <lionel_debroux@yahoo.fr>
libticalcs: in src, simplify TRYF(f(...)); return 0; to return f(...); in test_ticalcs_2, get rid of TRYF().

The src part of the patch was largely generated by Coccinelle, http://coccinelle.lip6.fr/ , several additional manual changes.
Input for `spatch`:
@@ identifier f; @@

-TRYF(
+return
f(...)
-)
;
-return 0;

Signed-off-by: Lionel Debroux <lionel_debroux@yahoo.fr>