Remove unused functions

The formatting functions were moved to MemberwiseInitFormatter but that
commit missed removing them from MemberwiseInitMacro.

Author: gohanlon

Sources/MemberwiseInitMacros/Macros/MemberwiseInitMacro.swift

@@ -324,50 +324,4 @@ public struct MemberwiseInitMacro: MemberMacro {
       false
     }
   }
-
-  private static func formatParameter(
-    for property: MemberProperty,
-    considering allProperties: [MemberProperty],
-    deunderscoreParameters: Bool,
-    optionalsDefaultNil: Bool
-  ) -> String {
-    let defaultValue =
-      property.initializerValue.map { " = \($0.description)" }
-      ?? property.customSettings?.defaultValue.map { " = \($0.description)" }
-      ?? (optionalsDefaultNil && property.type.isOptionalType ? " = nil" : "")
-
-    let escaping =
-      (property.customSettings?.forceEscaping ?? false || property.type.isFunctionType)
-      ? "@escaping " : ""
-
-    let label = property.initParameterLabel(
-      considering: allProperties, deunderscoreParameters: deunderscoreParameters)
-
-    let parameterName = property.initParameterName(
-      considering: allProperties, deunderscoreParameters: deunderscoreParameters)
-
-    return "\(label)\(parameterName): \(escaping)\(property.type.description)\(defaultValue)"
-  }
-
-  private static func formatInitializerAssignmentStatement(
-    for property: MemberProperty,
-    considering allProperties: [MemberProperty],
-    deunderscoreParameters: Bool
-  ) -> String {
-    let assignee =
-      switch property.customSettings?.assignee {
-      case .none:
-        "self.\(property.name)"
-      case .wrapper:
-        "self._\(property.name)"
-      case let .raw(assignee):
-        assignee
-      }
-
-    let parameterName = property.initParameterName(
-      considering: allProperties,
-      deunderscoreParameters: deunderscoreParameters
-    )
-    return "\(assignee) = \(parameterName)"
-  }
 }