Removes TABLEPASS and FPRINT flags

- Also adds ABSTRACT and NODROP flags in preparation for removal of
canremove and abstract vars.
- Sorts some of the setup.dm flags so they're in order.
- Replaces 'flags & 2' in policetape.dm with pass_flags & PASSTABLE,
should have the same effect.

code/modules/library/lib_items.dm

@@ -149,7 +149,6 @@
 	throw_speed = 1
 	throw_range = 5
 	w_class = 3		 //upped to three because books are, y'know, pretty big. (and you could hide them inside eachother recursively forever)
-	flags = FPRINT | TABLEPASS
 	attack_verb = list("bashed", "whacked", "educated")
 
 	autoignition_temperature = AUTOIGNITION_PAPER
@@ -274,7 +273,6 @@
 	throw_speed = 1
 	throw_range = 5
 	w_class = 1.0
-	flags = FPRINT | TABLEPASS
 	var/obj/machinery/librarycomp/computer // Associated computer - Modes 1 to 3 use this
 	var/obj/item/weapon/book/book	 //  Currently scanned book
 	var/mode = 0 					// 0 - Scan only, 1 - Scan and Set Buffer, 2 - Scan and Attempt to Check In, 3 - Scan and Attempt to Add to Inventory