Roll back other enum-related breaking changes

Sources/SwiftProtobuf/BinaryDecodingError.swift

@@ -42,8 +42,4 @@ public enum BinaryDecodingError: Error {
 
   /// Reached the nesting limit for messages within messages while decoding.
   case messageDepthLimit
-
-  /// Bytes and Strings have a max size of 2GB. And since messages are on the
-  /// wire as bytes/length delimited, they also have a 2GB size limit.
-  case tooLarge
 }

Sources/SwiftProtobuf/BinaryDelimited.swift

@@ -66,23 +66,6 @@ public enum BinaryDelimited {
     /// While reading/writing to the stream, less than the expected bytes was
     /// read/written.
     case truncated
-
-    /// Messages are limited by the protobuf spec to 2GB; when decoding, if the
-    /// length says the payload is over 2GB, this error is raised.
-    case tooLarge
-
-    /// While attempting to read the length of a message on the stream, the
-    /// bytes were malformed for the protobuf format.
-    case malformedLength
-
-    /// This isn't really an "error". `InputStream` documents that
-    /// `hasBytesAvailable` _may_ return `True` if a read is needed to
-    /// determine if there really are bytes available. So this "error" is throw
-    /// when a `parse` or `merge` fails because there were no bytes available.
-    /// If this is rasied, the callers should decides via what ever other means
-    /// are correct if the stream has completely ended or if more bytes might
-    /// eventually show up.
-    case noBytesAvailable
   }
 
 #if !os(WASI)

Sources/SwiftProtobuf/BinaryEncodingError.swift

@@ -14,18 +14,12 @@
 
 /// Describes errors that can occur when decoding a message from binary format.
 @available(*, deprecated, message: "This error type has been deprecated and won't be thrown anymore; it has been replaced by `SwiftProtobufError`.")
-public enum BinaryEncodingError: Error, Equatable {
-  /// `Any` fields that were decoded from JSON cannot be re-encoded to binary
-  /// unless the object they hold is a well-known type or a type registered via
-  /// `Google_Protobuf_Any.register()`.
-  case anyTypeURLNotRegistered(typeURL: String)
+public enum BinaryEncodingError: Error, Hashable {
   /// An unexpected failure when deserializing a `Google_Protobuf_Any`.
   case anyTranscodeFailure
   /// The definition of the message or one of its nested messages has required
   /// fields but the message being encoded did not include values for them. You
   /// must pass `partial: true` during encoding if you wish to explicitly ignore
   /// missing required fields.
   case missingRequiredFields
-  /// Messages are limited to a maximum of 2GB in encoded size.
-  case tooLarge
 }

Sources/SwiftProtobuf/JSONEncodingError.swift

@@ -13,12 +13,12 @@
 // -----------------------------------------------------------------------------
 
 @available(*, deprecated, message: "This error type has been deprecated and won't be thrown anymore; it has been replaced by `SwiftProtobufError`.")
-public enum JSONEncodingError: Error, Equatable {
+public enum JSONEncodingError: Error, Hashable {
     /// Any fields that were decoded from binary format cannot be
     /// re-encoded into JSON unless the object they hold is a
     /// well-known type or a type registered with via
     /// Google_Protobuf_Any.register()
-    case anyTypeURLNotRegistered(typeURL: String)
+    case anyTranscodeFailure
     /// Timestamp values can only be JSON encoded if they hold a value
     /// between 0001-01-01Z00:00:00 and 9999-12-31Z23:59:59.
     case timestampRange