Remove dead doc links

Author: glin

NEWS.md

@@ -12,23 +12,17 @@
 
 # reactable 0.4.2
 
-[Documentation - reactable 0.4.2](https://v0-4-2--reactable-docs.netlify.app/)
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 ## Minor improvements and bug fixes
 
 * Fixed rendering of embedded HTML widgets when `htmlwidgets` 1.6.0 or later is installed.
   In general, fixed rendering of any Shiny HTML tags with duplicate attributes. (@tomsing1, [#306](https://github.com/glin/reactable/issues/304))
 
 # reactable 0.4.1
 
-[Documentation - reactable 0.4.1](https://v0-4-1--reactable-docs.netlify.app/)
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 * Fixed a failing test on Fedora 36 and earlier.
 
 # reactable 0.4.0
 
-[Documentation - reactable 0.4.0](https://v0-4-0--reactable-docs.netlify.app/)
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 ## New features
 
 * **Experimental** support for rendering tables to static HTML in R. Use
@@ -109,8 +103,6 @@
 
 # reactable 0.3.0
 
-[Documentation - reactable 0.3.0](https://v0-3-0--reactable-docs.netlify.app/)
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 This release upgrades to a new major version of React Table
 ([#35](https://github.com/glin/reactable/issues/35)), which brings many
 new features, improvements, and bug fixes. reactable has been largely rewritten