Fix rootful & rootless deb architecture specifier

(Theos will automatically correct the architecture in control, see https://github.com/theos/theos/blob/7e1f13a85a129620626716148e644461ab1294c6/makefiles/package/deb.mk#L28)

Author: NyaMisty

layout/DEBIAN/control

@@ -3,7 +3,7 @@ Name: SSL Kill Switch 3
 Depends: mobilesubstrate, preferenceloader
 Conflicts: com.nablac0d3.sslkillswitch2
 Version: 1.1
-Architecture: iphoneos-arm64
+Architecture: iphoneos-arm
 Description: Blackbox tool to disable SSL certificate validation - including certificate pinning - within iOS and OS X Apps.
 Maintainer: NyaMisty <misty@misty.moe>
 Author: NyaMisty <misty@misty.moe>, Alban Diquet <nabla.c0d3@gmail.com>