Drop stray reference to gthread.la
Drop stray reference to gthread.la

We now build this test multithreaded in gthread/tests.

djdeath/glib,01org/android-bluez-glib,justinkb/aosp-bluez.glib,Distrotech/glib,tchakabam/glib,endlessm/glib,zsx/glib,gale320/glib,Distrotech/glib,tchakabam/glib,cention-sany/glib,tamaskenez/glib,lukasz-skalski/glib,darren-clark/android_platform_external_bluetooth_glib,MathieuDuponchelle/glib,justinkb/aosp-bluez.glib,darren-clark/android_platform_external_bluetooth_glib,krichter722/glib,iConsole/Console-OS_external_bluetooth_glib,tchakabam/glib,MathieuDuponchelle/glib,gale320/glib,antono/glib,mzabaluev/glib,pstglia/external-bluetooth-glib,bluez-android/glib,djdeath/glib,johne53/MB3Glib,ieei/glib,Distrotech/glib,zsx/glib,tamaskenez/glib,ieei/glib,gale320/glib,darren-clark/android_platform_external_bluetooth_glib,mzabaluev/glib,cosimoc/glib,MathieuDuponchelle/glib,iConsole/Console-OS_external_bluetooth_glib,cosimoc/glib,lukasz-skalski/glib,cosimoc/glib,cosimoc/glib,antono/glib,bluez-android/glib,mzabaluev/glib,krichter722/glib,darren-clark/android_platform_external_bluetooth_glib,pstglia/platform-external-bluetooth-glib,bluez-android/glib,ieei/glib,cention-sany/glib,pstglia/external-bluetooth-glib,antono/glib,tchakabam/glib,mzabaluev/glib,cention-sany/glib,gale320/glib,endlessm/glib,MathieuDuponchelle/glib,krichter722/glib,pstglia/platform-external-bluetooth-glib,ieei/glib,johne53/MB3Glib,gale320/glib,Distrotech/glib,johne53/MB3Glib,cosimoc/glib,zsx/glib,tamaskenez/glib,djdeath/glib,cention-sany/glib,endlessm/glib,djdeath/glib,pstglia/external-bluetooth-glib,lukasz-skalski/glib,iConsole/Console-OS_external_bluetooth_glib,bluez-android/glib,Distrotech/glib,zsx/glib,justinkb/aosp-bluez.glib,tamaskenez/glib,djdeath/glib,MathieuDuponchelle/glib,lukasz-skalski/glib,01org/android-bluez-glib,endlessm/glib,01org/android-bluez-glib,pstglia/platform-external-bluetooth-glib,antono/glib,krichter722/glib,pstglia/external-bluetooth-glib,iConsole/Console-OS_external_bluetooth_glib,01org/android-bluez-glib,pstglia/platform-external-bluetooth-glib,cention-sany/glib,darren-clark/android_platform_external_bluetooth_glib,justinkb/aosp-bluez.glib,mzabaluev/glib,johne53/MB3Glib,iConsole/Console-OS_external_bluetooth_glib,ieei/glib,johne53/MB3Glib,tamaskenez/glib,pstglia/external-bluetooth-glib,justinkb/aosp-bluez.glib,johne53/MB3Glib,bluez-android/glib,lukasz-skalski/glib,tchakabam/glib,01org/android-bluez-glib,krichter722/glib,endlessm/glib,pstglia/platform-external-bluetooth-glib