disable bitcode by default

Author: weslleymurdock

Diff for: build

@@ -25,7 +25,7 @@ export H264_SUPPORT=false
 export BCG729_SUPPORT=false
 export INDEPENDENT_WEBRTC=false
 export ENABLE_ZRTP=false
-export HAS_BITCODE=true
+export HAS_BITCODE=false
 export HAS_IPV6=false
 export SHOW_HELP=false
 export PJSIP_VERSION="2.14.1"