Revert "feat(micropython): Print exceptions to the screen"

We want to rethink how to implement this.

This reverts commit a4c05d3f.

pycardium/mphalport.c

@@ -17,7 +17,6 @@
 #include "py/mpprint.h"
 
 #include <stdint.h>
-#include <stdbool.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -87,68 +86,6 @@ void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len)
 	epic_uart_write_str(str, len);
 }
 
-static char exception_lines[2][80];
-static bool exception;
-static size_t exception_line_index;
-
-static void exception_feed(char c)
-{
-	if (c == '\n') {
-		exception_lines[1][exception_line_index] = 0;
-		if (exception_lines[1][0] == ' ') {
-			memcpy(exception_lines[0],
-			       exception_lines[1],
-			       sizeof(exception_lines[0]));
-			exception_line_index = 0;
-		} else {
-			exception = false;
-			epic_disp_open();
-			epic_disp_clear(0);
-			epic_disp_print_adv(
-				1, 0, 0, "Exception:", 0xF800, 0x0000
-			);
-			char buf               = exception_lines[0][26];
-			exception_lines[0][26] = 0;
-			epic_disp_print_adv(
-				1, 0, 12, exception_lines[0], 0xFFFF, 0x0000
-			);
-			exception_lines[0][26] = buf;
-			if (strlen(exception_lines[0]) > 26) {
-				epic_disp_print_adv(
-					1,
-					0,
-					24,
-					exception_lines[0] + 26,
-					0xFFFF,
-					0x0000
-				);
-			}
-
-			buf                    = exception_lines[1][26];
-			exception_lines[1][26] = 0;
-			epic_disp_print_adv(
-				1, 0, 40, exception_lines[1], 0xF800, 0x0000
-			);
-			exception_lines[1][26] = buf;
-			if (strlen(exception_lines[1]) > 26) {
-				epic_disp_print_adv(
-					1,
-					0,
-					52,
-					exception_lines[1] + 26,
-					0xF800,
-					0x0000
-				);
-			}
-			epic_disp_update();
-		}
-	} else {
-		if (exception_line_index < sizeof(exception_lines[0]) - 1) {
-			exception_lines[1][exception_line_index++] = c;
-		}
-	}
-}
-
 /* Send a string, but replace \n with \n\r */
 void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len)
 {
@@ -156,16 +93,6 @@ void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len)
 	 * Only print one line at a time.  Insert `\r` between lines so
 	 * they are properly displayed on the serial console.
 	 */
-
-	if (strncmp(str, "Traceback (most recent call last):\n", len) == 0) {
-		exception            = true;
-		exception_line_index = 0;
-	} else if (exception) {
-		for (size_t i = 0; i < len; i++) {
-			exception_feed(str[i]);
-		}
-	}
-
 	size_t i, last = 0;
 	for (i = 0; i < len; i++) {
 		if (str[i] == '\n') {