Simplify compilation instructions

Author: brettcannon

CONTRIBUTING.md

@@ -45,12 +45,10 @@ You may see warnings that ```The engine "vscode" appears to be invalid.```, you
 
 Run the `Compile` and `Hygiene` build Tasks from the [Command Palette](https://code.visualstudio.com/docs/editor/tasks) (short cut `CTRL+SHIFT+B` or `⇧⌘B`)
 
-You can also compile from the command-line:
-
+You can also compile from the command-line. For a full compile you can use `npx gulp prePublishNonBundle`. For incremental builds you can use the following commands depending on your needs:
 ```shell
-npx gulp prePublishNonBundle  # full compile
-npm run compile  # incremental
-npm run compile-webviews-watch # incremental for data science (React Code)
+npm run compile
+npm run compile-webviews-watch # For data science (React Code)
 ```
 
 Sometimes you will need to run `npm run clean` and even `rm -r out`.