fixup! 01e466f

Author: GuillaumeLagrange

google_benchmark/cmake/Codspeed.cmake

@@ -21,10 +21,6 @@ if(DEFINED CODSPEED_MODE)
     elseif(CODSPEED_MODE STREQUAL "walltime")
         target_compile_definitions(codspeed INTERFACE -DCODSPEED_WALLTIME)
     else()
-        # Step 3: Default to "instrumentation" if no value is provided
-        set(CODSPEED_MODE "instrumentation")
-    endif()
-endif()
         message(
             FATAL_ERROR
             "Invalid build mode: ${CODSPEED_MODE}. Use 'instrumentation' or 'walltime'."