Remove unused header file

Kingfisher does not support using in Objective-C

Kingfisher.podspec

@@ -34,8 +34,7 @@ Pod::Spec.new do |s|
   s.watchos.deployment_target = "3.0"
 
   s.source       = { :git => "https://github.com/onevcat/Kingfisher.git", :tag => s.version }
-  s.source_files  = ["Sources/**/*.swift", "Sources/Kingfisher.h"]
-  s.private_header_files = "Sources/Kingfisher.h"
+  s.source_files  = ["Sources/**/*.swift"]
 
   s.requires_arc = true
   s.frameworks = "CFNetwork", "Accelerate"

Kingfisher.xcodeproj/project.pbxproj

@@ -36,7 +36,6 @@
 		D12AB6E0215D2BB50013BA68 /* Filter.swift in Sources */ = {isa = PBXBuildFile; fileRef = D12AB6A6215D2BB50013BA68 /* Filter.swift */; };
 		D12AB6E4215D2BB50013BA68 /* Placeholder.swift in Sources */ = {isa = PBXBuildFile; fileRef = D12AB6A7215D2BB50013BA68 /* Placeholder.swift */; };
 		D12AB6E8215D2BB50013BA68 /* GIFAnimatedImage.swift in Sources */ = {isa = PBXBuildFile; fileRef = D12AB6A8215D2BB50013BA68 /* GIFAnimatedImage.swift */; };
-		D12AB6F0215D2BB50013BA68 /* Kingfisher.h in Headers */ = {isa = PBXBuildFile; fileRef = D12AB6AA215D2BB50013BA68 /* Kingfisher.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		D12AB6F4215D2BB50013BA68 /* ImageView+Kingfisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = D12AB6AC215D2BB50013BA68 /* ImageView+Kingfisher.swift */; };
 		D12AB6FC215D2BB50013BA68 /* UIButton+Kingfisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = D12AB6AE215D2BB50013BA68 /* UIButton+Kingfisher.swift */; };
 		D12AB704215D2BB50013BA68 /* Kingfisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = D12AB6B1215D2BB50013BA68 /* Kingfisher.swift */; };
@@ -159,7 +158,6 @@
 		D12AB6A7215D2BB50013BA68 /* Placeholder.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Placeholder.swift; sourceTree = "<group>"; };
 		D12AB6A8215D2BB50013BA68 /* GIFAnimatedImage.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GIFAnimatedImage.swift; sourceTree = "<group>"; };
 		D12AB6A9215D2BB50013BA68 /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		D12AB6AA215D2BB50013BA68 /* Kingfisher.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Kingfisher.h; sourceTree = "<group>"; };
 		D12AB6AC215D2BB50013BA68 /* ImageView+Kingfisher.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "ImageView+Kingfisher.swift"; sourceTree = "<group>"; };
 		D12AB6AD215D2BB50013BA68 /* NSButton+Kingfisher.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "NSButton+Kingfisher.swift"; sourceTree = "<group>"; };
 		D12AB6AE215D2BB50013BA68 /* UIButton+Kingfisher.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIButton+Kingfisher.swift"; sourceTree = "<group>"; };
@@ -313,7 +311,6 @@
 			isa = PBXGroup;
 			children = (
 				D12AB6A9215D2BB50013BA68 /* Info.plist */,
-				D12AB6AA215D2BB50013BA68 /* Kingfisher.h */,
 				D12AB6B0215D2BB50013BA68 /* General */,
 				D12AB6A2215D2BB50013BA68 /* Image */,
 				D12AB69C215D2BB50013BA68 /* Networking */,
@@ -675,7 +672,6 @@
 			isa = PBXHeadersBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				D12AB6F0215D2BB50013BA68 /* Kingfisher.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Sources/Kingfisher.h

@@ -1,37 +0,0 @@
-//
-//  Kingfisher.h
-//  Kingfisher
-//
-//  Created by Wei Wang on 15/4/6.
-//
-//  Copyright (c) 2019 Wei Wang <onevcat@gmail.com>
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#import <Foundation/Foundation.h>
-
-//! Project version number for Kingfisher.
-FOUNDATION_EXPORT double KingfisherVersionNumber;
-
-//! Project version string for Kingfisher.
-FOUNDATION_EXPORT const unsigned char KingfisherVersionString[];
-
-// In this header, you should import all the public headers of your framework using statements like #import <Kingfisher/PublicHeader.h>
-
-