[libc][NFC][obvious] Remove a redudant dep of strcmp implementation.

GitOrigin-RevId: 878cb5170de9bf03798a40185952bdf50fe4a15e
diff --git a/src/string/CMakeLists.txt b/src/string/CMakeLists.txt
index 8efe8c8..a347f2b 100644
--- a/src/string/CMakeLists.txt
+++ b/src/string/CMakeLists.txt
@@ -48,8 +48,6 @@
     strcmp.cpp
   HDRS
     strcmp.h
-  DEPENDS
-    libc.include.string
 )
 
 add_entrypoint_object(