doc: remove forgotten references to ./run -n

.travis.yml

@@ -26,4 +26,4 @@ script: |
   # libsdl2-dev : Depends: libegl1-mesa-dev
   #            Depends: libgles2-mesa-dev
   bash -x ./build -j 16 -S |& awk 'NR % 1000 == 0'
-  bash -x ./run -e 'init=/poweroff.out' -n
+  bash -x ./run -e 'init=/poweroff.out'

CONTRIBUTING.adoc

@@ -7,7 +7,7 @@ Testing that should be done for every functional patch.
 === Guest testing
 
 ....
-./run -a x86_64 -e '- lkmc_eval="/insrm.sh hello 5;wget -S google.com;poweroff;"' -n
+./run -a x86_64 -e '- lkmc_eval="/insrm.sh hello 5;wget -S google.com;poweroff;"'
 ./run -a arm    -e '- lkmc_eval="/insrm.sh hello 5;wget -S google.com;poweroff;"'
 ....
 

count-boot-instructions

@@ -10,7 +10,7 @@ while getopts a: OPT; do
   esac
 done
 set_common_vars "$arch" false
-time ./run -a "$arch" -n -e 'init=/poweroff.out' -- -trace exec_tb,file=trace
+time ./run -a "$arch" -e 'init=/poweroff.out' -- -trace exec_tb,file=trace
 time ./qemu/scripts/simpletrace.py "${out_dir}/build/host-qemu-custom/trace-events-all" trace >trace.txt
 wc -l trace.txt
 sed '/0x1000000/q' trace.txt >trace-boot.txt