remove unused FunctionalUtil code

Signal/src/util/FunctionalUtil.h

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
 @interface NSArray (FunctionalUtil)
@@ -19,15 +19,6 @@
 /// Returns an array of all the results of passing items from this array through the given projection function.
 - (NSArray *)filter:(int (^)(id item))predicate;
 
-/// Returns the sum of the doubles in this array of doubles.
-- (double)sumDouble;
-
-/// Returns the sum of the unsigned integers in this array of unsigned integers.
-- (NSUInteger)sumNSUInteger;
-
-/// Returns the sum of the integers in this array of integers.
-- (NSInteger)sumNSInteger;
-
 - (NSDictionary *)keyedBy:(id (^)(id))keySelector;
 - (NSDictionary *)groupBy:(id (^)(id value))keySelector;
 

Signal/src/util/FunctionalUtil.m

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
 #import "FunctionalUtil.h"
@@ -52,27 +52,7 @@
     }
     return r;
 }
-- (double)sumDouble {
-    double s = 0.0;
-    for (NSNumber *e in self) {
-        s += [e doubleValue];
-    }
-    return s;
-}
-- (NSUInteger)sumNSUInteger {
-    NSUInteger s = 0;
-    for (NSNumber *e in self) {
-        s += [e unsignedIntegerValue];
-    }
-    return s;
-}
-- (NSInteger)sumNSInteger {
-    NSInteger s = 0;
-    for (NSNumber *e in self) {
-        s += [e integerValue];
-    }
-    return s;
-}
+
 - (NSDictionary *)keyedBy:(id (^)(id value))keySelector {
     OWSAssertDebug(keySelector != nil);
 

SignalServiceKit/src/Util/FunctionalUtil.h

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
 @interface NSArray (FunctionalUtil)
@@ -19,15 +19,6 @@
 /// Returns an array of all the results of passing items from this array through the given projection function.
 - (NSArray *)filter:(int (^)(id item))predicate;
 
-/// Returns the sum of the doubles in this array of doubles.
-- (double)sumDouble;
-
-/// Returns the sum of the unsigned integers in this array of unsigned integers.
-- (NSUInteger)sumNSUInteger;
-
-/// Returns the sum of the integers in this array of integers.
-- (NSInteger)sumNSInteger;
-
 - (NSDictionary *)keyedBy:(id (^)(id))keySelector;
 - (NSDictionary *)groupBy:(id (^)(id value))keySelector;
 

SignalServiceKit/src/Util/FunctionalUtil.m

@@ -75,27 +75,7 @@
     }
     return r;
 }
-- (double)sumDouble {
-    double s = 0.0;
-    for (NSNumber *e in self) {
-        s += [e doubleValue];
-    }
-    return s;
-}
-- (NSUInteger)sumNSUInteger {
-    NSUInteger s = 0;
-    for (NSNumber *e in self) {
-        s += [e unsignedIntegerValue];
-    }
-    return s;
-}
-- (NSInteger)sumNSInteger {
-    NSInteger s = 0;
-    for (NSNumber *e in self) {
-        s += [e integerValue];
-    }
-    return s;
-}
+
 - (NSDictionary *)keyedBy:(id (^)(id value))keySelector {
     tskit_require(keySelector != nil);