remove old chargemode crap

Change-Id: I6ca88be821ebb713a796251f416b02c1f7144c44

extendedcommands.c

@@ -1165,23 +1165,3 @@ int volume_main(int argc, char **argv) {
     load_volume_table();
     return 0;
 }
-
-void handle_chargemode() {
-    const char* filename = "/proc/cmdline";
-    struct stat file_info;
-    if (0 != stat(filename, &file_info))
-        return;
-
-    int file_len = file_info.st_size;
-    char* file_data = (char*)malloc(file_len + 1);
-    FILE *file = fopen(filename, "rb");
-    if (file == NULL)
-        return;
-    fread(file_data, file_len, 1, file);
-    // supposedly not necessary, but let's be safe.
-    file_data[file_len] = '\0';
-    fclose(file);
-    
-    if (strstr(file_data, "androidboot.mode=offmode_charging") != NULL)
-        reboot(RB_POWER_OFF);
- }

recovery.c

@@ -794,7 +794,6 @@ main(int argc, char **argv) {
             return setprop_main(argc, argv);
 		return busybox_driver(argc, argv);
 	}
-    handle_chargemode();
     __system("/sbin/postrecoveryboot.sh");
     
     int is_user_initiated_recovery = 0;