cleanup comments and remove dead code

ios/TcpSocketClient.h

@@ -57,16 +57,29 @@ typedef enum RCTTCPError RCTTCPError;
 /// @name Instance Methods
 ///---------------------------------------------------------------------------------------
 /**
- * Binds to a host and port
+ * Connects to a host and port
  *
  * @param port
  * @param host ip address
- * @return true if bound, false if there was an error
+ * @param options NSDictionary which can have @"localAddress" and @"localPort" to specify the local interface
+ * @return true if connected, false if there was an error
  */
 - (BOOL)connect:(NSString *)host port:(int)port withOptions:(NSDictionary *)options error:(NSError **)error;
 
+/**
+ * Starts listening on a local host and port
+ *
+ * @param local ip address
+ * @param local port
+ * @return true if connected, false if there was an error
+ */
 - (BOOL)listen:(NSString *)host port:(int)port error:(NSError **)error;
 
+/**
+ * Returns the address information
+ *
+ * @return NSDictionary with @"address" host, @"port" port, @"family" IPv4/IPv6
+ */
 - (NSDictionary<NSString *, id> *)getAddress;
 
 /**

ios/TcpSocketClient.m

@@ -230,15 +230,6 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
     [_clientDelegate onClose:self withError:(!err || err.code == GCDAsyncSocketClosedError ? nil : err)];
 }
 
-- (NSError *)badParamError:(NSString *)errMsg
-{
-    NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
-
-    return [NSError errorWithDomain:RCTTCPErrorDomain
-                               code:RCTTCPBadParamError
-                           userInfo:userInfo];
-}
-
 - (NSError *)badInvocationError:(NSString *)errMsg
 {
     NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
@@ -248,15 +239,6 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
                            userInfo:userInfo];
 }
 
-- (NSError *)sendFailedError:(NSString *)errMsg
-{
-    NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
-
-    return [NSError errorWithDomain:RCTTCPErrorDomain
-                               code:RCTTCPSendFailedError
-                           userInfo:userInfo];
-}
-
 - (dispatch_queue_t)methodQueue
 {
     return dispatch_get_main_queue();