Inria CI main job fix

This commit stops enabling the instrumented and debug runtime at
configure time. Given that they are now enabled by default this is
no longer necessary.

tools/ci/inria/main

@@ -117,7 +117,6 @@ case "${OCAML_ARCH}" in
   bsd) make=gmake ;;
   macos) ;;
   linux)
-    confoptions="${confoptions} -with-instrumented-runtime"
     check_make_alldepend=true
   ;;
   cygwin)
@@ -199,7 +198,6 @@ git clean -f -d -x
 
 case $configure in
   unix)
-    confoptions="$confoptions -with-debug-runtime"
     if $flambda; then
       confoptions="$confoptions -flambda -with-flambda-invariants"
     fi