rm kcas from dune-file, README and opam-file

Author: jmid

multicoretests.opam

@@ -39,6 +39,5 @@ build: [
 ]
 dev-repo: "git+https://github.com/jmid/multicoretests.git"
 pin-depends: [
-# ["kcas.0.14"                 "git+https://github.com/ocaml-multicore/kcas#master"]
   ["lockfree.v0.2.0"           "git+https://github.com/ocaml-multicore/lockfree#main"]
 ]

src/README.md

@@ -68,9 +68,6 @@ Tests utilizing the linearizability tests of Lin.ml:
  - [stack/lin_tests.ml](stack/lin_tests.ml) and [stack/lin_tests_dsl.ml](stack/lin_tests_dsl.ml)
    contain experimental `Lin` and `Lin_api`-tests of `Stack`
 
- - [kcas/lin_tests.ml](kcas/lin_tests.ml) and [kcas/lin_tests_dsl.ml](kcas/lin_tests_dsl.ml)
-   contain experimental `Lin` and `Lin_api`-tests of `Kcas` and `Kcas.W1` (Note: `Kcas` is subsumed by `Stdlib.Atomic`).
-
 
 
 Tests of the underlying spawn/async functionality of `Domain`,

src/dune

@@ -24,5 +24,4 @@
        ;; other libs
        (alias domainslib/default)
        (alias lockfree/default)
-       ;; (alias kcas/default)  -- kcas tests disabled
        ))