- iOS 11.3 SDK background crash fix (godotengine#11623)

- admob module add, remove firebase admob

build.sh

@@ -49,7 +49,7 @@ cp bin/android_debug.apk ~/.godot/templates
 
 
 echo "######################## iOS ############################"
-scons -j 8 p=iphone target=release tools=no deprecated=no gdscript=yes minizip=no xml=no disable_3d=yes disable_advanced_gui=yes verbose=no warnings=no builtin_freetype=yes builtin_glew=yes builtin_libmpcdec=no builtin_libogg=no builtin_libpng=yes builtin_libtheora=no builtin_libvorbis=no builtin_libwebp=yes builtin_openssl=no builtin_opus=no builtin_speex=no builtin_squish=no builtin_zlib=yes android_neon=yes module_chibi_enabled=no module_cscript_enabled=no module_dds_enabled=no module_dlscript_enabled=no module_enet_enabled=no module_etc_enabled=no module_etc1_enabled=no module_freetype_enabled=yes module_gdnative_enabled=no module_gdscript_enabled=yes module_gridmap_enabled=no module_hdr_enabled=no module_ik_enabled=no module_jpg_enabled=no module_mpc_enabled=no module_ogg_enabled=no module_openssl_enabled=no module_opus_enabled=no module_pbm_enabled=no module_pvr_enabled=no module_regex_enabled=no module_speex_enabled=no module_squish_enabled=no module_stb_vorbis_enabled=no module_sumator_enabled=no module_tga_enabled=no module_theora_enabled=no module_tinyexr_enabled=no module_visual_script_enabled=no module_vorbis_enabled=no module_webm_enabled=no module_webp_enabled=yes bits=64 arch=arm64
+scons -j 8 p=iphone target=release tools=no deprecated=no gdscript=yes minizip=no xml=no disable_3d=yes disable_advanced_gui=yes verbose=no warnings=no builtin_freetype=yes builtin_glew=yes builtin_libmpcdec=no builtin_libogg=no builtin_libpng=yes builtin_libtheora=no builtin_libvorbis=no builtin_libwebp=yes builtin_openssl=no builtin_opus=no builtin_speex=no builtin_squish=no builtin_zlib=yes android_neon=yes module_chibi_enabled=no module_cscript_enabled=no module_dds_enabled=no module_dlscript_enabled=no module_enet_enabled=no module_etc_enabled=no module_etc1_enabled=no module_freetype_enabled=yes module_gdnative_enabled=no module_gdscript_enabled=yes module_gridmap_enabled=no module_hdr_enabled=no module_ik_enabled=no module_jpg_enabled=no module_mpc_enabled=no module_ogg_enabled=no module_openssl_enabled=no module_opus_enabled=no module_pbm_enabled=no module_pvr_enabled=no module_regex_enabled=no module_speex_enabled=no module_squish_enabled=no module_stb_vorbis_enabled=no module_sumator_enabled=no module_tga_enabled=no module_theora_enabled=no module_tinyexr_enabled=no module_visual_script_enabled=no module_vorbis_enabled=no module_webm_enabled=no module_webp_enabled=yes bits=64 arch=arm64 IPHONESDK="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.3.sdk/"
 [ $? -eq 0 ] || failed ios
 
 cp bin/godot.iphone.opt.arm64 ~/Projects/godot/godot_ios_xcode/godot.iphone.opt.arm64