refactor: Pick translated string after format

This passes the return value of _() directly to strprintf so the format
string can be checked at compile time in a future commit.

test/lint/run-lint-format-strings.py

@@ -13,7 +13,7 @@ import re
 import sys
 
 FALSE_POSITIVES = [
-    ("src/clientversion.cpp", "strprintf(_(COPYRIGHT_HOLDERS).translated, COPYRIGHT_HOLDERS_SUBSTITUTION)"),
+    ("src/clientversion.cpp", "strprintf(_(COPYRIGHT_HOLDERS), COPYRIGHT_HOLDERS_SUBSTITUTION)"),
     ("src/test/translation_tests.cpp", "strprintf(format, arg)"),
 ]