Remove skipIfGhcVersion "== 9.6.3"

Not able to reproduce the problem this avoids. Tested with;

- --with-cabal=./dist-newstyle/build/x86_64-linux/ghc-9.6.3/cabal-install-3.11.0.0/x/cabal/build/cabal/cabal
--with-cabal=./dist-newstyle/build/x86_64-linux/ghc-9.8.1/cabal-install-3.11.0.0/x/cabal/build/cabal/cabal

cabal-testsuite/PackageTests/VersionPriority/1-web.test.hs

@@ -5,9 +5,5 @@ testVersionWin project =
         fails $ cabal "v2-build" ["--dry-run"]
 
 main = cabalTest . withRepo "repo" $ do
-    -- To avoid this diff:
-    --   -Build profile: -w ghc-9.6.3 -O1
-    --   +Build profile: -w ghc-<GHCVER> -O1
-    skipIfGhcVersion "== 9.6.3"
     testVersionWin "1-web-constraints-import.project"
     testVersionWin "1-web-import-constraints.project"

cabal-testsuite/PackageTests/VersionPriority/2-web.test.hs

@@ -5,9 +5,5 @@ testVersionWin project =
         fails $ cabal "v2-build" ["--dry-run"]
 
 main = cabalTest . withRepo "repo" $ do
-    -- To avoid this diff:
-    --   -Build profile: -w ghc-9.6.3 -O1
-    --   +Build profile: -w ghc-<GHCVER> -O1
-    skipIfGhcVersion "== 9.6.3"
     testVersionWin "2-web-constraints-import.project"
     testVersionWin "2-web-import-constraints.project"

cabal-testsuite/PackageTests/VersionPriority/3-web.test.hs

@@ -5,9 +5,5 @@ testVersionWin project =
         fails $ cabal "v2-build" ["--dry-run"]
 
 main = cabalTest . withRepo "repo" $ do
-    -- To avoid this diff:
-    --   -Build profile: -w ghc-9.6.3 -O1
-    --   +Build profile: -w ghc-<GHCVER> -O1
-    skipIfGhcVersion "== 9.6.3"
     testVersionWin "3-web-constraints-import.project"
     testVersionWin "3-web-import-constraints.project"