Remove unnecessary nib backup files

osx/Firefly Helper/English.lproj/MainMenu~.nib/classes.nib

@@ -1,18 +0,0 @@
-{
-    IBClasses = (
-        {
-            ACTIONS = {prefsMenuChosen = id; startStopMenuChosen = id; }; 
-            CLASS = FireflyHelper; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {statusMenu = NSMenu; }; 
-            SUPERCLASS = NSObject; 
-        }, 
-        {CLASS = FirstResponder; LANGUAGE = ObjC; SUPERCLASS = NSObject; }, 
-        {
-            CLASS = MyASKNibObjectInfoManager; 
-            LANGUAGE = ObjC; 
-            SUPERCLASS = ASKNibObjectInfoManager; 
-        }
-    ); 
-    IBVersion = 1; 
-}

osx/Firefly Helper/English.lproj/MainMenu~.nib/info.nib

@@ -1,23 +0,0 @@
-<?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>155 322 356 240 0 0 1440 878 </string>
-	<key>IBEditorPositions</key>
-	<dict>
-		<key>209</key>
-		<string>283 632 160 106 0 0 1440 878 </string>
-		<key>29</key>
-		<string>521 639 125 44 0 0 1440 878 </string>
-	</dict>
-	<key>IBFramework Version</key>
-	<string>446.1</string>
-	<key>IBOpenObjects</key>
-	<array>
-		<integer>209</integer>
-	</array>
-	<key>IBSystem Version</key>
-	<string>8J135</string>
-</dict>
-</plist>