Change PBGitGrapher initWithRepository: to init since it doesn't actually use PBGitRepository

Author: ksuther

Classes/git/PBGitGrapher.h

@@ -6,12 +6,10 @@
 //  Copyright 2008 __MyCompanyName__. All rights reserved.
 //
 
-@class PBGitRepository;
 @class PBGitCommit;
 
 @interface PBGitGrapher : NSObject
 
-- (id)initWithRepository:(PBGitRepository *)repo;
 - (void)decorateCommit:(PBGitCommit *)commit;
 
 @end

Classes/git/PBGitGrapher.mm

@@ -34,7 +34,7 @@ @interface PBGitGrapher ()
 
 @implementation PBGitGrapher
 
-- (id) initWithRepository: (PBGitRepository*) repo
+- (id) init
 {
 	self = [super init];
 	if (!self) {

Classes/git/PBGitHistoryGrapher.m

@@ -21,7 +21,7 @@ - (instancetype)initWithBaseCommits:(NSSet *)commits viewAllBranches:(BOOL)viewA
 	delegate = theDelegate;
 	currentQueue = queue;
 	searchOIDs = [NSMutableSet setWithSet:commits];
-	grapher = [[PBGitGrapher alloc] initWithRepository:nil];
+	grapher = [[PBGitGrapher alloc] init];
 	viewAllBranches = viewAll;
 
 	return self;

Classes/git/PBGitRevList.m

@@ -195,7 +195,7 @@ - (void)setupEnumerator:(GTEnumerator *)enumerator
 
 - (void)addCommitsFromEnumerator:(GTEnumerator *)enumerator inPBRepo:(PBGitRepository *)pbRepo operation:(NSOperation *)operation
 {
-	PBGitGrapher *g = [[PBGitGrapher alloc] initWithRepository:pbRepo];
+	PBGitGrapher *g = [[PBGitGrapher alloc] init];
 	__block NSDate *lastUpdate = [NSDate date];
 
 	dispatch_queue_t loadQueue = dispatch_queue_create("net.phere.gitx.loadQueue", 0);