remove preferences panel.

nextstep/Cocoa/Emacs.base/Contents/Resources/preferences.nib/classes.nib

-{
-    IBClasses = (
-        {
-            ACTIONS = {
-                cancel = id; 
-                ok = id; 
-                resetToDefaults = id; 
-                runHelp = id; 
-                setColors = id; 
-                setDefaultFont = id; 
-            }; 
-            CLASS = EmacsPrefsController; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {
-                alternateModMenu = NSPopUpButton; 
-                commandModMenu = NSPopUpButton; 
-                confirmQuitCheck = NSButton; 
-                controlModMenu = NSPopUpButton; 
-                cursorTypeMatrix = NSMatrix; 
-                expandSpaceSlider = NSSlider; 
-                functionModMenu = NSPopUpButton; 
-                prefsWindow = NSWindow; 
-                smoothFontsCheck = NSButton; 
-                useQuickdrawCheck = NSButton; 
-                useSysHiliteCheck = NSButton; 
-            }; 
-            SUPERCLASS = NSObject; 
-        }, 
-        {CLASS = FirstResponder; LANGUAGE = ObjC; SUPERCLASS = NSObject; }
-    ); 
-    IBVersion = 1; 
-}
\ No newline at end of file

nextstep/Cocoa/Emacs.base/Contents/Resources/preferences.nib/info.nib

-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IBDocumentLocation</key>
-	<string>196 42 356 240 0 0 1440 878 </string>
-	<key>IBFramework Version</key>
-	<string>446.1</string>
-	<key>IBGroupedObjects</key>
-	<dict>
-		<key>6</key>
-		<array>
-			<string>183</string>
-			<string>176</string>
-		</array>
-		<key>7</key>
-		<array>
-			<string>191</string>
-			<string>184</string>
-		</array>
-		<key>9</key>
-		<array>
-			<string>201</string>
-			<string>194</string>
-		</array>
-	</dict>
-	<key>IBLastGroupID</key>
-	<string>10</string>
-	<key>IBOldestOS</key>
-	<integer>3</integer>
-	<key>IBOpenObjects</key>
-	<array>
-		<integer>5</integer>
-	</array>
-	<key>IBSystem Version</key>
-	<string>8S2167</string>
-</dict>
-</plist>