Fix up some TW_OEM_BUILD things

Fix factory reset now properly formats data as expected
Change text for ORS processing
Disable system read only check, SuperSU, and patch system
Stop copying fstab and version to cache

Change-Id: I20f5cae390afbb8d2d88e01b8d9b9bf4ff0fdea1
diff --git a/twrp.cpp b/twrp.cpp
index 091de19..219c306 100644
--- a/twrp.cpp
+++ b/twrp.cpp
@@ -332,6 +332,7 @@
 	PartitionManager.Disable_MTP();
 #endif
 
+#ifndef TW_OEM_BUILD
 	// Check if system has never been changed
 	TWPartition* sys = PartitionManager.Find_Partition_By_Path("/system");
 	if (sys) {
@@ -350,10 +351,12 @@
 			sys->Change_Mount_Read_Only(false);
 		}
 	}
+#endif
 
 	// Launch the main GUI
 	gui_start();
 
+#ifndef TW_OEM_BUILD
 	// Disable flashing of stock recovery
 	TWFunc::Disable_Stock_Recovery_Replace();
 	// Check for su to see if the device is rooted or not
@@ -368,6 +371,7 @@
 		sync();
 		PartitionManager.UnMount_By_Path("/system", false);
 	}
+#endif
 
 	// Reboot
 	TWFunc::Update_Intent_File(Reboot_Value);