Remove unused method for PdVersion

Author: shiraji

src/main/kotlin/com/github/shiraji/permissionsdispatcherplugin/data/PdVersion.kt

@@ -6,13 +6,6 @@ enum class PdVersion {
     UNKNOWN;
 
     companion object {
-        fun fromText(versionText: String): PdVersion {
-            return when (versionText) {
-                "2.1.3" -> VERSION_2_1_3
-                else -> UNKNOWN
-            }
-        }
-
         const val latestVersion = "3.1.0"
     }
 }