remove display class from repeater and room

variants/t1000-e/platformio.ini

@@ -47,7 +47,6 @@ build_flags = ${t1000-e.build_flags}
 ;  -D MESH_DEBUG=1
   -D RX_BOOSTED_GAIN=true
   -D RF_SWITCH_TABLE
-  -D DISPLAY_CLASS=NullDisplayDriver
 build_src_filter = ${t1000-e.build_src_filter}
   +<../examples/simple_repeater>
 lib_deps = ${t1000-e.lib_deps}
@@ -66,7 +65,6 @@ build_flags = ${t1000-e.build_flags}
 ;  -D MESH_DEBUG=1
   -D RX_BOOSTED_GAIN=true
   -D RF_SWITCH_TABLE
-  -D DISPLAY_CLASS=NullDisplayDriver
 build_src_filter = ${t1000-e.build_src_filter}
   +<../examples/simple_room_server>
 lib_deps = ${t1000-e.lib_deps}