api: remove the version parameter of getSupportInfo (#7620)

* api: remove the version parameter of getSupportInfo

* add changelog entry

* remove mapDeprecated

* Update pr-7620.md

* remove the first parameter completely

* Update api.md

* add default value for opts just to be on the safe side

docs/api.md

@@ -104,11 +104,9 @@ When setting `options.resolveConfig` (`boolean`, default `false`), Prettier will
 
 Use `prettier.getFileInfo.sync(filePath [, options])` if you'd like to use sync version.
 
-## `prettier.getSupportInfo([version])`
+## `prettier.getSupportInfo()`
 
-Returns an object representing the parsers, languages and file types Prettier supports.
-
-If `version` is provided (e.g. `"1.5.0"`), information for that version will be returned, otherwise information for the current version will be returned.
+Returns an object representing the options, parsers, languages and file types Prettier supports.
 
 The support information looks like this:
 

docs/plugins.md

@@ -68,7 +68,7 @@ Prettier plugins are regular JavaScript modules with five exports:
 
 ### `languages`
 
-Languages is an array of language definitions that your plugin will contribute to Prettier. It can include all of the fields specified in [`prettier.getSupportInfo()`](api.md#prettiergetsupportinfo-version).
+Languages is an array of language definitions that your plugin will contribute to Prettier. It can include all of the fields specified in [`prettier.getSupportInfo()`](api.md#prettiergetsupportinfo).
 
 It **must** include `name` and `parsers`.