all: rename files

This change makes the file name convention consistent. A file for macOS,
not for iOS should have a suffix '_macos.go' rather than '_macos_darwin.go'
and/or '_darwin.go'.

internal/gamepaddb/db_macos.go

@@ -14,7 +14,7 @@
 
 // Code generated by gen.go using 'go generate'. DO NOT EDIT.
 
-//go:build !ios
+//go:build darwing && !ios
 
 package gamepaddb
 
@@ -22,7 +22,7 @@ import (
 	_ "embed"
 )
 
-//go:embed gamecontrollerdb_macos_darwin.txt
+//go:embed gamecontrollerdb_macos.txt
 var controllerBytes []byte
 
 func init() {

internal/gamepaddb/gen.go

@@ -112,8 +112,8 @@ func run() error {
 			hasGLFWGamepads:  true,
 		},
 		"Mac OS X": {
-			filenameSuffix:   "macos_darwin",
-			buildConstraints: "//go:build !ios",
+			filenameSuffix:   "macos",
+			buildConstraints: "//go:build darwing && !ios",
 		},
 		"Linux": {
 			filenameSuffix:   "linbsd",

internal/graphicsdriver/opengl/graphics_macos.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build !ios
+//go:build darwin && !ios
 
 package opengl