Fix CMake target absl_strings so that it does not link to itself

Fixes #2091

PiperOrigin-RevId: 941136680
Change-Id: I7705296238d73d4d1619d27533cc5147fbad6d2c

absl/strings/CMakeLists.txt

diff --git a/absl/strings/CMakeLists.txt b/absl/strings/CMakeLists.txt
index b6f2aa7..964094f 100644
--- a/absl/strings/CMakeLists.txt
+++ b/absl/strings/CMakeLists.txt
@@ -88,7 +88,6 @@
     absl::nullability
     absl::raw_logging_internal
     absl::source_location
-    absl::strings
     absl::throw_delegate
     absl::type_traits
   PUBLIC