docs: Drop stale Python 3<->node-gyp remark

PR-URL: #3313
Credit: @spencerwilson
Close: #3313
Reviewed-by: @wraithgar

docs/content/commands/npm.md

@@ -62,10 +62,8 @@ requires compiling of C++ Code, npm will use
 [node-gyp](https://github.com/nodejs/node-gyp) for that task.
 For a Unix system, [node-gyp](https://github.com/nodejs/node-gyp)
 needs Python, make and a buildchain like GCC. On Windows,
-Python and Microsoft Visual Studio C++ are needed. Python 3 is
-not supported by [node-gyp](https://github.com/nodejs/node-gyp).
-For more information visit
-[the node-gyp repository](https://github.com/nodejs/node-gyp) and
+Python and Microsoft Visual Studio C++ are needed. For more information
+visit [the node-gyp repository](https://github.com/nodejs/node-gyp) and
 the [node-gyp Wiki](https://github.com/nodejs/node-gyp/wiki).
 
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