Remove external dependencies

Author: Andrew Haley

make/Hsdis.gmk

@@ -44,9 +44,6 @@ ifeq ($(HSDIS_BACKEND), capstone)
   else ifeq ($(call isTargetCpuArch, aarch64), true)
     CAPSTONE_ARCH := CS_ARCH_$(CAPSTONE_ARCH_AARCH64_NAME)
     CAPSTONE_MODE := CS_MODE_ARM
-  else ifeq ($(call isTargetCpuArch, arm), true)
-    CAPSTONE_ARCH := CS_ARCH_ARM
-    CAPSTONE_MODE := CS_MODE_ARM
   else
     $(error No support for Capstone on this platform)
   endif