util-lib: split string parsing related calls from util.[ch] into parse-util.[ch]

src/resolve/resolved-conf.c

@@ -20,9 +20,10 @@
  ***/
 
 #include "conf-parser.h"
-#include "string-util.h"
+#include "parse-util.h"
 #include "resolved-conf.h"
 #include "extract-word.h"
+#include "string-util.h"
 
 int manager_parse_dns_server(Manager *m, DnsServerType type, const char *string) {
         DnsServer *first;

src/resolve/resolved-link.c

@@ -24,6 +24,7 @@
 #include "sd-network.h"
 
 #include "missing.h"
+#include "parse-util.h"
 #include "resolved-link.h"
 #include "string-util.h"
 #include "strv.h"

src/resolve/resolved-manager.c

@@ -33,6 +33,7 @@
 #include "netlink-util.h"
 #include "network-internal.h"
 #include "ordered-set.h"
+#include "parse-util.h"
 #include "random-util.h"
 #include "resolved-bus.h"
 #include "resolved-conf.h"