remove all remaining .SRCINFO will generate as-needed from approved PKGBUILDS

src/libretro-prosystem-git/.SRCINFO

@@ -1,23 +0,0 @@
-# Generated by mksrcinfo v8
-# Wed Dec 28 07:16:07 UTC 2016
-pkgbase = libretro-prosystem-git
-	pkgdesc = libretro implementation of ProSystem. (Atari 7800)
-	pkgver = 116.b6f7c1b
-	pkgrel = 1
-	url = https://github.com/libretro/prosystem-libretro
-	arch = i686
-	arch = x86_64
-	arch = arm
-	arch = armv6h
-	arch = armv7h
-	groups = libretro
-	license = GPL2
-	makedepends = git
-	depends = zlib
-	source = git+https://github.com/libretro/prosystem-libretro.git
-	source = https://raw.github.com/libretro/libretro-super/master/dist/info/prosystem_libretro.info
-	sha256sums = SKIP
-	sha256sums = SKIP
-
-pkgname = libretro-prosystem-git
-