deprecate stew/results (#219)

* deprecate stew/results

* Update stew/results.nim

* use evergreen OS image versions in GitHub Actions CI

* revert macos-latest

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
         include:
           - target:
               os: linux
-            builder: ubuntu-20.04
+            builder: ubuntu-latest
             shell: bash
           - target:
               os: macos
@@ -38,7 +38,7 @@ jobs:
             shell: bash
           - target:
               os: windows
-            builder: windows-2019
+            builder: windows-latest
             shell: msys2 {0}
 
     defaults:

stew/results.nim

@@ -1,9 +1,7 @@
 # This module has graduated from stew and is now available from the
 # `results` nimble package instead (https://github.com/arnetheduck/nim-results)
 
-when defined(stewWarnResults):
-  # This deprecation notice will be made default in some future stew commit
-  {.deprecated: "`stew/results` is now availabe as `import results` via the `results` Nimble package".}
+{.deprecated: "`stew/results` is now available as `import results` via the `results` Nimble package".}
 
 import pkg/results
 export results