Revert "make explicit copy and hook calls keep their symbol (#25731)"

This reverts commit a35614e539.

tests/arc/tnodestroyexplicithook2.nim

@@ -1,45 +0,0 @@
-discard """
-  output: '''
-246
-246
-'''
-"""
-
-# issue #25730
-
-type
-  Inner[T] = object
-    x: T
-  Foo[T] = object
-    inner: Inner[T]
-  Bar[T] = object
-    foo: Foo[T]
-
-proc `=sink`[T](a: var Inner[T], b: Inner[T]) {.nodestroy.} =
-  a.x = b.x * 2
-
-proc `=copy`[T](a: var Inner[T], b: Inner[T]) {.nodestroy.} =
-  a.x = b.x * 2
-
-when true:
-  proc `=sink`[T](a: var Bar[T], b: Bar[T]) {.nodestroy.} =
-    `=sink`(a.foo, b.foo)
-
-  proc `=copy`[T](a: var Bar[T], b: Bar[T]) {.nodestroy.} =
-    `=copy`(a.foo, b.foo)
-
-proc useSink() =
-  let a = Bar[int](foo: Foo[int](inner: Inner[int](x: 123)))
-  var b: Bar[int]
-  `=sink`(b, a)
-  echo b.foo.inner.x
-
-useSink()
-
-proc useCopy() =
-  let a = Bar[int](foo: Foo[int](inner: Inner[int](x: 123)))
-  var b: Bar[int]
-  `=copy`(b, a)
-  echo b.foo.inner.x
-
-useCopy()