Revert "enable nimPreviewDotLikeOps" (#19919)

* Revert "enable nimPreviewDotLikeOps (#19598)"

This reverts commit 6773ffa63d.

* add deprecated message

Co-authored-by: flywind <43030857+xflywind@users.noreply.github.com>

changelog.md

@@ -28,6 +28,8 @@
 - `shallowCopy` is removed for ARC/ORC. Use `move` when possible or combine assignment and
 `sink` for optimization purposes.
 
+- `nimPreviewDotLikeOps` is going to be removed or deprecated.
+
 ## Standard library additions and changes
 
 [//]: # "Changes:"

config/config.nims

@@ -26,4 +26,3 @@ when defined(windows) and not defined(booting):
   switch("define", "nimRawSetjmp")
 
 switch("define", "nimVersion:" & NimVersion)
-switch("define", "nimPreviewDotLikeOps")

tests/config.nims

@@ -37,5 +37,6 @@ switch("define", "nimExperimentalLinenoiseExtra")
 
 # preview APIs are expected to be the new default in upcoming versions
 switch("define", "nimPreviewFloatRoundtrip")
+switch("define", "nimPreviewDotLikeOps")
 switch("define", "nimPreviewJsonutilsHoleyEnum")
 switch("define", "nimPreviewHashRef")

tests/stdlib/texperimental.nim

@@ -1 +0,0 @@
-doAssert defined(nimPreviewDotLikeOps)