Update README.md (JuliaLang#43081)

The main change here is to recommend only VS Code as the IDE.

README.md

@@ -115,7 +115,7 @@ You can read about [getting
 started](https://docs.julialang.org/en/v1/manual/getting-started/)
 in the manual.
 
-In case this default build path did not work, detailed build instructions
+Detailed build instructions, should they be necessary,
 are included in the [build documentation](https://github.com/JuliaLang/julia/blob/master/doc/src/devdocs/build/).
 
 ### Uninstalling Julia
@@ -134,7 +134,7 @@ The Julia source code is organized as follows:
 | `base/` | source code for the Base module (part of Julia's standard library) |
 | `stdlib/` | source code for other standard library packages |
 | `cli/` | source for the command line interface/REPL |
-| `contrib/` | editor support for Julia source, miscellaneous scripts |
+| `contrib/` | miscellaneous scripts  |
 | `deps/` | external dependencies |
 | `doc/src/` | source for the user manual |
 | `src/` | source for Julia language core |
@@ -157,7 +157,8 @@ Support for editing Julia is available for many
 [Sublime Text](https://github.com/JuliaEditorSupport/Julia-sublime), and many
 others.
 
-Supported IDEs include: [julia-vscode](https://github.com/JuliaEditorSupport/julia-vscode) (VS
-Code plugin), [Juno](http:https://junolab.org/) (Atom plugin). [Jupyter](https://jupyter.org/)
-notebooks are available through the [IJulia](https://github.com/JuliaLang/IJulia.jl) package, and
-[Pluto](https://github.com/fonsp/Pluto.jl) notebooks through the Pluto.jl package.
+For users who prefer IDEs, we recommend using VS Code with the
+[julia-vscode](https://www.julia-vscode.org/) plugin.
+For notebook users, [Jupyter](https://jupyter.org/) notebook support is available through the
+[IJulia](https://github.com/JuliaLang/IJulia.jl) package, and
+the [Pluto.jl](https://github.com/fonsp/Pluto.jl) package provides Pluto notebooks.