Revert "Test for register --assume-deps-up-to-date"

This reverts commit c6c3f2c5.

Cabal/Cabal.cabal

@@ -263,9 +263,6 @@ extra-source-files:
   tests/PackageTests/ReexportedModules/p/p.cabal
   tests/PackageTests/ReexportedModules/q/A.hs
   tests/PackageTests/ReexportedModules/q/q.cabal
-  tests/PackageTests/RegisterAssumeDepsUpToDate/P.hs
-  tests/PackageTests/RegisterAssumeDepsUpToDate/RegisterOneShot.cabal
-  tests/PackageTests/RegisterAssumeDepsUpToDate/q/Q.hs
   tests/PackageTests/Regression/T3294/T3294.cabal
   tests/PackageTests/Regression/T3847/Main.hs
   tests/PackageTests/Regression/T3847/T3847.cabal

Cabal/tests/PackageTests/RegisterAssumeDepsUpToDate/.gitignore

-pkg-config*

Cabal/tests/PackageTests/RegisterAssumeDepsUpToDate/P.hs

-module P where
-import Q
-p = q ++ "p"

Cabal/tests/PackageTests/RegisterAssumeDepsUpToDate/RegisterOneShot.cabal

-name:                RegisterAssumeDepsUpToDate
-version:             0.1.0.0
-license:             BSD3
-author:              Edward Z. Yang
-maintainer:          ezyang@cs.stanford.edu
-build-type:          Simple
-cabal-version:       >=1.23
-
-library q
-  exposed-modules:     Q
-  build-depends:       base
-  hs-source-dirs:      q
-  default-language:    Haskell2010
-
-library
-  exposed-modules:     P
-  build-depends:       base, q
-  hs-source-dirs:      .
-  default-language:    Haskell2010

Cabal/tests/PackageTests/RegisterAssumeDepsUpToDate/q/Q.hs

-module Q where
-q = "q"

Cabal/tests/PackageTests/Tests.hs

@@ -570,26 +570,6 @@ tests config = do
       runInstalledExe' "myprog" []
         >>= assertOutputContains "aaa"
 
-  -- Test register --assume-deps-up-to-date
-  mtc "RegisterAssumeDepsUpToDate" $ \step -> do
-    withPackageDb $ do
-      -- We'll test this by generating registration files and verifying
-      -- that they are indeed files (and not directories)
-      step "Initial build and copy"
-      cabal_build []
-      cabal "copy" []
-
-      step "Register q"
-      let q_reg = "pkg-config-q"
-      cabal "register" ["--assume-deps-up-to-date", "q", "--gen-pkg-config=" ++ q_reg]
-      pkg_dir <- packageDir
-      ghcPkg "register" [pkg_dir </> q_reg]
-
-      step "Register p"
-      let main_reg = "pkg-config-p"
-      cabal "register" ["--assume-deps-up-to-date", "RegisterAssumeDepsUpToDate", "--gen-pkg-config=" ++ main_reg]
-      ghcPkg "register" [pkg_dir </> main_reg]
-
   -- Test error message we report when a non-buildable target is
   -- requested to be built
   -- TODO: We can give a better error message here, see #3858.