Merge #17910: build: remove double LIBBITCOIN_SERVER linking

831e1220bc build: remove double LIBBITCOIN_SERVER linking (fanquake)

Pull request description:

  Seems that this is no longer required. Have tested building on macOS and Debian.

ACKs for top commit:
  promag:
    ACK 831e1220bc.
  practicalswift:
    ACK 831e1220bc
  laanwj:
    ACK 831e1220bc

Tree-SHA512: d226d9fa0292189fae7e2af14781a511c3633f1352324f19ae642e941d06c34e2abf8b1df97d2330d76dba6024a93d8d341e02cc4882d7066f97e82585631fe1

src/Makefile.am

@@ -554,12 +554,9 @@ if TARGET_WINDOWS
 bitcoind_SOURCES += bitcoind-res.rc
 endif
 
-# Libraries below may be listed more than once to resolve circular dependencies (see
-# https://eli.thegreenplace.net/2013/07/09/library-order-in-static-linking#circular-dependency)
 bitcoind_LDADD = \
   $(LIBBITCOIN_SERVER) \
   $(LIBBITCOIN_WALLET) \
-  $(LIBBITCOIN_SERVER) \
   $(LIBBITCOIN_COMMON) \
   $(LIBUNIVALUE) \
   $(LIBBITCOIN_UTIL) \