Documentation: Avoid duplicate Kconfig inclusion

Documentation/Kconfig is already included from top-level, avoid
including it again from lib/Kconfig.debug.
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230114-doc-v2-1-853a8434ac95@pefoley.comSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/Kconfig

+if COMPILE_TEST
+
+menu "Documentation"
+
 config WARN_MISSING_DOCUMENTS
 	bool "Warn if there's a missing documentation file"
-	depends on COMPILE_TEST
 	help
 	  It is not uncommon that a document gets renamed.
 	  This option makes the Kernel to check for missing dependencies,
@@ -11,7 +14,6 @@ config WARN_MISSING_DOCUMENTS
 
 config WARN_ABI_ERRORS
 	bool "Warn if there are errors at ABI files"
-	depends on COMPILE_TEST
 	help
 	  The files under Documentation/ABI should follow what's
 	  described at Documentation/ABI/README. Yet, as they're manually
@@ -20,3 +22,7 @@ config WARN_ABI_ERRORS
 	  scripts/get_abi.pl. Add a check to verify them.
 
 	  If unsure, select 'N'.
+
+endmenu
+
+endif

lib/Kconfig.debug

@@ -2872,6 +2872,4 @@ config RUST_BUILD_ASSERT_ALLOW
 
 endmenu # "Rust"
 
-source "Documentation/Kconfig"
-
 endmenu # Kernel hacking