Revert "SoftwareSerial library to the new format"

This reverts commit 38c3bbbd3c83eda057d4857635fbd78a4785c3a4.

hardware/arduino/avr/libraries/SoftwareSerial/SoftwareSerial.cpp

@@ -41,7 +41,7 @@ http://arduiniana.org.
 #include <avr/interrupt.h>
 #include <avr/pgmspace.h>
 #include <Arduino.h>
-#include <SoftwareSerial_Class.h>
+#include <SoftwareSerial.h>
 //
 // Lookup table
 //

libraries/SoftwareSerial/library.properties

@@ -1,10 +0,0 @@
-name=SoftwareSerial
-author=
-email=
-sentence=Emulate a serial port via software
-paragraph=You can choose two Arduino pins and use them as RX and TX channels of a serial interface.</br>This library emulate in software the behaviour of a serial interface.</br>For the RX pis in mandatory to use a pin with the PinChange interrupt capability.
-url=http://arduino.cc/en/Reference/SoftwareSerial
-architectures=avr
-version=1.0
-dependencies=
-core-dependencies=arduino (>=1.5.0)

libraries/SoftwareSerial/src/SoftwareSerial.h

@@ -1 +0,0 @@
-#include <SoftwareSerial_Class.h>