Put back the line with language feature to 1.7 block

Partially reverts 1505706
It doesn't change anything as the commit, it's just for the sake of
order

Author: dzharkov

compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt

@@ -224,6 +224,7 @@ enum class LanguageFeature(
     ProhibitSimplificationOfNonTrivialConstBooleanExpressions(KOTLIN_1_7),
     SafeCallsAreAlwaysNullable(KOTLIN_1_7),
     JvmPermittedSubclassesAttributeForSealed(KOTLIN_1_7),
+    ProperTypeInferenceConstraintsProcessing(KOTLIN_1_7, kind = BUG_FIX),
     ForbidExposingTypesInPrimaryConstructorProperties(KOTLIN_1_7, kind = BUG_FIX),
     PartiallySpecifiedTypeArguments(KOTLIN_1_7),
     EliminateAmbiguitiesWithExternalTypeParameters(KOTLIN_1_7),
@@ -241,7 +242,6 @@ enum class LanguageFeature(
 
     // 1.8
 
-    ProperTypeInferenceConstraintsProcessing(KOTLIN_1_7, kind = BUG_FIX),
     DontLoseDiagnosticsDuringOverloadResolutionByReturnType(KOTLIN_1_8),
     ProhibitUsingNullableTypeParameterAgainstNotNullAnnotated(KOTLIN_1_8, kind = BUG_FIX), // KT-36770
     ProhibitConfusingSyntaxInWhenBranches(KOTLIN_1_8, kind = BUG_FIX), // KT-48385