Remove unnecessary guard from AppliedType

Author: nicolasstucki

compiler/src/dotty/tools/dotc/core/Definitions.scala

@@ -1119,7 +1119,7 @@ class Definitions {
       ft match
         case PolyFunctionOf(mt: MethodType) =>
           Some(mt.paramInfos, mt.resType, mt.isContextualMethod)
-        case AppliedType(parent, targs) if targs.nonEmpty && isFunctionNType(ft) =>
+        case AppliedType(parent, targs) if isFunctionNType(ft) =>
           Some(targs.init, targs.last, ft.typeSymbol.name.isContextFunction)
         case _ =>
           None