all: merge .m files with their .go counterparts

The only reason for separate files is Objective-C callbacks into Go,
or when the Go side is common, yet the Objective-C side differs from
macOS to iOS.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

app/internal/log/log_ios.go

@@ -8,7 +8,11 @@ package log
 /*
 #cgo CFLAGS: -Werror -fmodules -fobjc-arc -x objective-c
 
-__attribute__ ((visibility ("hidden"))) void nslog(char *str);
+@import Foundation;
+
+static void nslog(char *str) {
+	NSLog(@"%@", @(str));
+}
 */
 import "C"
 

app/internal/log/log_ios.m

@@ -1,11 +0,0 @@
-// SPDX-License-Identifier: Unlicense OR MIT
-
-// +build darwin,ios
-
-@import Foundation;
-
-#include "_cgo_export.h"
-
-void nslog(char *str) {
-	NSLog(@"%@", @(str));
-}