build: Bump native_clang up to 17.0.6

ci/test/00_setup_env_mac.sh

@@ -17,7 +17,4 @@ export XCODE_BUILD_ID=15A240d
 export RUN_UNIT_TESTS=false
 export RUN_FUNCTIONAL_TESTS=false
 export GOAL="deploy"
-
-# False-positive warning is fixed with clang 17, remove this when that version
-# can be used.
-export BITCOIN_CONFIG="--with-gui --enable-reduce-exports LDFLAGS=-Wno-error=unused-command-line-argument"
+export BITCOIN_CONFIG="--with-gui --enable-reduce-exports"