ldso: remove redundant runtime checks in static TLS logic

as a result of commit ffab4360,
static_tls_cnt is now valid during relocations at program startup, so
it's no longer necessary to condition the check against static_tls_cnt
on this being a runtime (dlopen) relocation.

ldso/dynlink.c

@@ -390,7 +390,7 @@ static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stri
 		tls_val = def.sym ? def.sym->st_value : 0;
 
 		if ((type == REL_TPOFF || type == REL_TPOFF_NEG)
-		    && runtime && def.dso->tls_id > static_tls_cnt) {
+		    && def.dso->tls_id > static_tls_cnt) {
 			error("Error relocating %s: %s: initial-exec TLS "
 				"resolves to dynamic definition in %s",
 				dso->name, name, def.dso->name);
@@ -450,7 +450,7 @@ static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stri
 #endif
 		case REL_TLSDESC:
 			if (stride<3) addend = reloc_addr[1];
-			if (runtime && def.dso->tls_id > static_tls_cnt) {
+			if (def.dso->tls_id > static_tls_cnt) {
 				struct td_index *new = malloc(sizeof *new);
 				if (!new) {
 					error(