doc: ignore warnings

v2.6-branch is in maintenance mode, it's not worth investigating issues.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>

Author: gmarull

doc/CMakeLists.txt

@@ -20,7 +20,7 @@ find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE} COMPONENTS doc)
 #-------------------------------------------------------------------------------
 # Options
 
-set(SPHINXOPTS "-j auto -W --keep-going -T" CACHE STRING "Default Sphinx Options")
+set(SPHINXOPTS "-j auto --keep-going -T" CACHE STRING "Default Sphinx Options")
 set(SPHINXOPTS_EXTRA "" CACHE STRING "Extra Sphinx Options")
 
 separate_arguments(SPHINXOPTS)