remove code related to the previous bidi usage implementation of whitespaces for the timestamp label

ElementX/Sources/Other/Extensions/String.swift

@@ -41,22 +41,6 @@ extension String {
     }
 }
 
-extension String {
-    static func generateBreakableWhitespaceEnd(whitespaceCount: Int, layoutDirection: LayoutDirection) -> String {
-        guard whitespaceCount > 0 else {
-            return ""
-        }
-
-        var whiteSpaces = layoutDirection.isolateLayoutUnicodeString
-
-        // fixed size whitespace of size 1/3 em per character
-        whiteSpaces += String(repeating: "\u{2004}", count: whitespaceCount)
-
-        // braille whitespace, which is non breakable but makes previous whitespaces breakable
-        return whiteSpaces + "\u{2800}"
-    }
-}
-
 extension String {
     func ellipsize(length: Int) -> String {
         guard count > length else {