Tup: Remove rules for generating Dhall manifest

.gitignore

@@ -13,6 +13,5 @@
 ##### Do not edit.
 .tup
 /.gitignore
-/bin.dhall
 /dev
 /out

Tupfile

@@ -1,19 +0,0 @@
-ifeq (@(TUP_ARCH),x86_64)
-DEPOT_ARCH = x86_64
-endif
-
-ifeq ($(DEPOT_ARCH),)
-	error unhandled TUP_ARCH @(TUP_ARCH)
-endif
-
-include_rules
-
-DEPOT_MANIFEST = $(OUTPUTS_OUT)/manifest.dhall
-
-: $(OUTPUTS_OUT)/<bin> |> \
-	echo %<bin> \
-		| awk -F '/' --assign RS=' ' 'BEGIN { print "{=}"} {print "∧{"$3"={=}}" }' \
-		| dhall > %o\
-|> bin.dhall {records}
-
-: | {records} |> !dhall <<< '{bin = { $(DEPOT_ARCH) = ./bin.dhall } }' > %o |> $(DEPOT_MANIFEST)