Remove slave not found message after i2c slave startup

menu_programs/i2c_master.py

@@ -15,8 +15,6 @@ def i2c_master_run(robot):
     connected = False
     robot.display.fill(0)
     robot.display.centered_text(f"I2C master", 0, 1)
-    robot.display.centered_text(f"Slave", 24, 1)
-    robot.display.centered_text(f"not found", 32, 1)
     robot.display.text('<', 0, 54, 1)
     robot.display.show()