parse_execution: Remove dead tcgetattr code

This used to be assigned to the job, but that was removed in
f30ce21aaa.

Since then this was vestigial. It could have technically errored out,
but we should be catching that where we use the actual modes, not here.

src/parse_execution.cpp

@@ -7,7 +7,6 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <termios.h>
 #include <unistd.h>
 
 #include <cwchar>
@@ -1307,15 +1306,6 @@ end_execution_reason_t parse_execution_context_t::run_1_job(const ast::job_pipel
     // We definitely do not want to execute anything if we're told we're --no-execute!
     if (no_exec()) return end_execution_reason_t::ok;
 
-    // Get terminal modes.
-    struct termios tmodes = {};
-    if (parser->is_interactive() && tcgetattr(STDIN_FILENO, &tmodes)) {
-        // Need real error handling here.
-        wperror(L"tcgetattr");
-        parser->set_last_statuses(statuses_t::just(STATUS_CMD_ERROR));
-        return end_execution_reason_t::error;
-    }
-
     // Increment the eval_level for the duration of this command.
     scoped_push<int> saved_eval_level(&parser->eval_level, parser->eval_level + 1);