[BCB] Remove fixerTmpDir config parameter

Author: ondrejmirtes

UPGRADING.md

@@ -282,3 +282,4 @@ Instead of `PHPStanTestCase::createBroker()`, call `PHPStanTestCase::createRefle
 * `additionalConfigFiles` config parameter must be a list
 * Remove `__set_state()` on objects that should not be serialized in cache
 * Parameter `$selfClass` of [`TypehintHelper::decideTypeFromReflection()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.TypehintHelper.html#_decideTypeFromReflection) no longer accepts string
+* Remove `fixerTmpDir` config parameter, use `pro.tmpDir` instead

conf/config.neon

@@ -76,7 +76,6 @@ parameters:
 	polluteScopeWithBlock: true
 	propertyAlwaysWrittenTags: []
 	propertyAlwaysReadTags: []
-	fixerTmpDir: %pro.tmpDir% #unused
 	additionalConstructors: []
 	treatPhpDocTypesAsCertain: true
 	usePathConstantsAsConstantString: false

conf/parametersSchema.neon

@@ -149,7 +149,6 @@ parametersSchema:
 	mixinExcludeClasses: listOf(string())
 	scanFiles: listOf(string())
 	scanDirectories: listOf(string())
-	fixerTmpDir: string() #unused
 	editorUrl: schema(string(), nullable())
 	editorUrlTitle: schema(string(), nullable())
 	errorFormat: schema(string(), nullable())