build: remove ancient file

mk/check_modules.sh

@@ -1,74 +0,0 @@
-#!/bin/sh
-
-echo "Checking modules"
-
-MODULE_LIST="gbenchmark gtest mavlink mavlink/pymavlink PX4Firmware PX4Firmware/src/lib/matrix PX4Firmware/Tools/gencpp PX4Firmware/Tools/genmsg PX4NuttX uavcan uavcan/dsdl uavcan/libuavcan/dsdl_compiler/pyuavcan waf"
-
-NEED_INIT=0
-
-export GIT_PAGER=cat
-
-cd $(dirname "$0")/.. || exit 1
-
-for m in $MODULE_LIST; do
-    [ -d modules/$m ] || {
-        echo "modules/$m missing - need module init"
-        NEED_INIT=1
-        break
-    }
-    [ -f modules/$m/.git ] || {
-        echo "modules/$m/.git missing - need module init"
-        NEED_INIT=1
-        break
-    }
-done
-
-[ $NEED_INIT = 1 ] && {
-    set -x
-    git submodule init || {
-        echo "git submodule init failed"
-        git submodule status --recursive
-        exit 1
-    }
-    for m in $MODULE_LIST; do
-        [ -f modules/$m/.gitmodules ] && {
-            (cd modules/$m && git submodule init) || {
-                echo "init of $m failed"
-                git submodule status --recursive
-                exit 1
-            }
-        }
-    done
-    git submodule update --recursive || {
-        echo "git submodule update failed"        
-        git submodule status --recursive
-        exit 1
-    }
-    for m in $MODULE_LIST; do
-        [ -d modules/$m ] || {
-            echo "modules/$m missing - failed module init"
-            exit 1
-        }
-        [ -f modules/$m/.git ] || {
-            echo "modules/$m/.git missing - failed module init"
-            exit 1
-        }
-    done
-}
-
-for m in $MODULE_LIST; do
-	RET=$(git submodule summary modules/$m | egrep "^..<")
-	[ -z "$RET" ] || {
-            echo "Module modules/$m out of date"
-            git submodule summary modules/$m
-cat <<EOF
-
-You need to run 'git submodule update'
-
-Please see https://ardupilot.org/dev/docs/git-submodules.html
-EOF
-            exit 1
-        }
-done
-
-exit 0