remove some more unnecessary uses of .nn

Author: olhotak

presentation-compiler/src/main/dotty/tools/pc/CompilerSearchVisitor.scala

@@ -19,7 +19,7 @@ class CompilerSearchVisitor(
 )(using ctx: Context, reports: ReportContext)
     extends SymbolSearchVisitor:
 
-  val logger: Logger = Logger.getLogger(classOf[CompilerSearchVisitor].getName().nn).nn
+  val logger: Logger = Logger.getLogger(classOf[CompilerSearchVisitor].getName()).nn
 
   private def isAccessibleImplicitClass(sym: Symbol) =
     val owner = sym.maybeOwner

presentation-compiler/src/main/dotty/tools/pc/SignatureHelpProvider.scala

@@ -84,7 +84,7 @@ object SignatureHelpProvider:
             case Some(paramDoc) =>
               val newName =
                 if isJavaSymbol && head.name.startsWith("x$") then
-                  paramDoc.nn.displayName()
+                  paramDoc.displayName()
                 else head.name
               head.copy(name = newName.nn, doc = Some(paramDoc.docstring.nn)) :: rest
             case _ => head :: rest

presentation-compiler/src/main/dotty/tools/pc/completions/CompletionPos.scala

@@ -62,7 +62,7 @@ object CompletionPos:
     CompletionPos(
       start,
       identEnd,
-      query.nn,
+      query,
       sourcePos,
       offsetParams.uri.nn,
       wasCursorApplied,

presentation-compiler/src/main/dotty/tools/pc/completions/CompletionProvider.scala

@@ -174,7 +174,7 @@ class CompletionProvider(
    */
   private def applyCompletionCursor(params: OffsetParams): (Boolean, String) =
     val text = params.text().nn
-    val offset = params.offset().nn
+    val offset = params.offset()
     val query = Completion.naiveCompletionPrefix(text, offset)
 
     if offset > 0 && text.charAt(offset - 1).isUnicodeIdentifierPart