fix: turn off T-Echo peripherals on deep sleep (#3162)

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/graphics/EInkDisplay2.cpp

@@ -122,11 +122,6 @@ bool EInkDisplay::connect()
 {
     LOG_INFO("Doing EInk init\n");
 
-#ifdef PIN_EINK_PWR_ON
-    pinMode(PIN_EINK_PWR_ON, OUTPUT);
-    digitalWrite(PIN_EINK_PWR_ON, HIGH); // If we need to assert a pin to power external peripherals
-#endif
-
 #ifdef PIN_EINK_EN
     // backlight power, HIGH is backlight on, LOW is off
     pinMode(PIN_EINK_EN, OUTPUT);