[plasma-mobile] remove kwinwrapper from overlay

overlays/plasma-mobile/usr/bin/kwinwrapper

-#!/bin/sh
-
-[ -f /etc/profile ] && . /etc/profile
-
-export QT_QPA_PLATFORM=wayland
-export QT_QPA_PLATFORMTHEME=KDE
-export QT_WAYLAND_DISABLE_WINDOWDECORATION=1
-export EGL_PLATFORM=wayland
-
-export PLASMA_PLATFORM=phone:handset
-export QT_QUICK_CONTROLS_STYLE=Plasma
-export QT_ENABLE_GLYPH_CACHE_WORKAROUND=1
-export QT_QUICK_CONTROLS_MOBILE=true
-export QT_VIRTUALKEYBOARD_STYLE=Plasma
-
-export GRID_UNIT_PX=25
-export FORCE_RIL_NUM_MODEMS=1
-export PLASMA_DEFAULT_SHELL=org.kde.plasma.phone
-
-
-# work around to fix : https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1507584
-if [ -d /usr/lib/arm-linux-gnueabihf/libhybris-egl ]; then
-    export LD_LIBRARY_PATH=/usr/lib/arm-linux-gnueabihf/libhybris-egl:$LD_LIBRARY_PATH
-fi
-
-touch /tmp/simplelogin_starting
-kwin_wayland --xwayland --libinput --inputmethod maliit-server plasma-phone