Revert "GPS test example for OpenCansat library added"

This reverts commit 3626f853

examples/3-Each-module-examples/GPStest.ino

-#include <Wire.h>
-#include "OpenCansatGPS.h"
-
-#define Serial SerialUSB
-
-OpenCansatGPS gps;
-
-// CONFIG
-const uint16_t msDelay = 2000;
-
-void setup()
-{
-    while (!SerialUSB) {}
-
-    Serial.begin(57600);
-
-    Serial.println("OpenCansat gps test");
-
-    gps.begin();
-
-    // Uncomment when you wanna see debug prints from library
-    //gps.debugPrintOn();
-}
-
-void loop()
-{
-    uint32_t start = millis();
-
-    if (gps.scan(600 * 1000))
-    {
-    		Serial.println(String(" time to find fix: ") + (millis() - start) + String("ms"));
-    		Serial.println(String(" datetime = ") + gps.getDateTimeString());
-    		Serial.println(String(" lat = ") + String(gps.getLat(), 7));
-    		Serial.println(String(" lon = ") + String(gps.getLon(), 7));
-    		Serial.println(String(" num sats = ") + String(gps.getNumberOfSatellites()));
-    }
-    else
-    {
-    		Serial.println("No Fix");
-    }
-
-	Serial.println(String("Delay: ") + msDelay + String("ms"));
-
-	delay(msDelay);
-}