gh-106989: Remove tok report warnings (#106993)

Author: menkotoglou

Parser/tokenizer.c

@@ -116,7 +116,6 @@ tok_new(void)
     tok->implicit_newline = 0;
     tok->tok_mode_stack[0] = (tokenizer_mode){.kind =TOK_REGULAR_MODE, .f_string_quote='\0', .f_string_quote_size = 0, .f_string_debug=0};
     tok->tok_mode_stack_index = 0;
-    tok->tok_report_warnings = 1;
 #ifdef Py_DEBUG
     tok->debug = _Py_GetConfig()->parser_debug;
 #endif
@@ -1545,10 +1544,6 @@ static int
 warn_invalid_escape_sequence(struct tok_state *tok, int first_invalid_escape_char)
 {
 
-    if (!tok->tok_report_warnings) {
-        return 0;
-    }
-
     PyObject *msg = PyUnicode_FromFormat(
         "invalid escape sequence '\\%c'",
         (char) first_invalid_escape_char

Parser/tokenizer.h

@@ -128,7 +128,6 @@ struct tok_state {
     // TODO: Factor this into its own thing
     tokenizer_mode tok_mode_stack[MAXFSTRINGLEVEL];
     int tok_mode_stack_index;
-    int tok_report_warnings;
     int tok_extra_tokens;
     int comment_newline;
     int implicit_newline;