Disable using the ICU data file on embedded linux

Since we use the system ICU we do not need the extra data file.
This fixes a crash caused by missing icudtl.dat file.

Change-Id: Ic7a6ad83d6595ea3a89c736c281499636b05945e
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>

src/core/config/embedded_linux.pri

@@ -46,6 +46,7 @@ GYP_CONFIG += \
     use_pulseaudio=0 \
     use_system_harfbuzz=0 \
     use_system_icu=1 \
+    icu_use_data_file_flag=0 \
     use_x11=0 \
     v8_use_snapshot=false \
     want_separate_host_toolset=1 \