add file size check, remove useless endpoints, add endpoint for downloading directly csv

static/syscheck/meta.xml

@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<app version="1">
-	<name>SysCheck ModMii Edition</name>
-	<coder>blackb0x, JoostinOnline, Double_A, R2-D2199, Nano</coder>
-	<version>2.5.0</version>
-	<release_date>20230309000000</release_date>
-	<short_description>System Checker ModMii Edition</short_description>
-	<long_description>Homebrew application which does several checks on installed IOS and custom IOS:
-    - Base IOS Detection
-    - vIOS Detection
-    - Beer Ticket
-    - IOS Stub
-    - Fake Signature (aka Trucha Bug)
-    - ES_DiVerify (aka ES_Identify)
-    - Flash Access
-    - NAND Access
-    - Boot2 Access
-    - USB 2.0
-
-SysCheck generates a report on the root of your storage device (e.g. usb:/SysCheck.csv).
-
-The author can not be held responsible for any damage SysCheck might cause!</long_description>
-	<arguments>
-		<arg>--debug=false</arg>
-		<arg>--forceNoAHBPROT=false</arg>
-		<arg>--skipIOS=0</arg>
-	</arguments>
-	<no_ios_reload/>
-</app>