NFC: Remove a couple of unused functions

Author: hamishknight

Sources/SKUtilities/LineTable.swift

@@ -115,30 +115,6 @@ extension LineTable {
     self.replace(fromLine: fromLine, utf16Offset: fromOff, toLine: toLine, utf16Offset: toOff, with: replacement)
   }
 
-  /// Replace the line table's `content` in the given range and update the line data.
-  ///
-  /// - parameter fromLine: Starting line number (zero-based).
-  /// - parameter fromOff: Starting UTF-8 column offset (zero-based).
-  /// - parameter toLine: Ending line number (zero-based).
-  /// - parameter toOff: Ending UTF-8 column offset (zero-based).
-  /// - parameter replacement: The new text for the given range.
-  @inlinable
-  mutating package func replace(
-    fromLine: Int,
-    utf8Offset fromOff: Int,
-    toLine: Int,
-    utf8Offset toOff: Int,
-    with replacement: String
-  ) {
-    let start = self.stringIndexOf(line: fromLine, utf8Column: fromOff)
-    let end = self.stringIndexOf(line: toLine, utf8Column: toOff)
-
-    var newText = self.content
-    newText.replaceSubrange(start..<end, with: replacement)
-
-    self = LineTable(newText)
-  }
-
   /// Replace the line table's `content` in the given range and update the line data.
   ///
   /// - parameter fromLine: Starting line number (zero-based).

Sources/SwiftSourceKitPlugin/CodeCompletion/Connection.swift

@@ -145,23 +145,6 @@ final class Connection {
     sourcekitd.ideApi.set_file_contents(impl, path, document.lineTable.content)
   }
 
-  func editDocument(path: String, edit: TextEdit) {
-    guard let document = documents[path] else {
-      logger.error("Document at '\(path)' is not open")
-      return
-    }
-
-    document.lineTable.replace(
-      fromLine: edit.range.lowerBound.line - 1,
-      utf8Offset: edit.range.lowerBound.utf8Column - 1,
-      toLine: edit.range.upperBound.line - 1,
-      utf8Offset: edit.range.upperBound.utf8Column - 1,
-      with: edit.newText
-    )
-
-    sourcekitd.ideApi.set_file_contents(impl, path, document.lineTable.content)
-  }
-
   func closeDocument(path: String) {
     if documents[path] == nil {
       logger.error("Document at '\(path)' was not open")