icE1usb fw: Remove useless variable in main loop

Left over from early testing code ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: I242bbcd42ba96f56bf12bbe57537f3a72a44767b
diff --git a/firmware/ice40-riscv/icE1usb/fw_app.c b/firmware/ice40-riscv/icE1usb/fw_app.c
index eebc21f..39173f2 100644
--- a/firmware/ice40-riscv/icE1usb/fw_app.c
+++ b/firmware/ice40-riscv/icE1usb/fw_app.c
@@ -64,7 +64,6 @@
 
 void main()
 {
-	bool e1_active = false;
 	int cmd = 0;
 
 	/* Init console IO */
@@ -103,7 +102,6 @@
 
 	/* Start */
 	e1_init(0, 0);
-	e1_active = true;
 	led_state(true);
 	usb_connect();
 
@@ -153,9 +151,7 @@
 		usb_poll();
 
 		/* E1 poll */
-		if (e1_active) {
-			e1_poll();
-			usb_e1_run();
-		}
+		e1_poll();
+		usb_e1_run();
 	}
 }