Remove cdefines as it not used in external apps

application.fam

@@ -3,7 +3,6 @@ App(
     name="Sub-GHz Bruteforcer",
     apptype=FlipperAppType.EXTERNAL,
     entry_point="subbrute_app",
-    cdefines=["APP_SUB_BRUTE"],
     requires=["gui","dialogs"],
     stack_size=2 * 1024,
     order=11,