build: drop deprecated build tags

src/syscall/errno_other.go

@@ -1,5 +1,4 @@
 //go:build !wasi && !darwin
-// +build !wasi,!darwin
 
 package syscall
 

src/syscall/file_emulated.go

@@ -1,5 +1,4 @@
 //go:build baremetal || wasm
-// +build baremetal wasm
 
 // This file emulates some file-related functions that are only available
 // under a real operating system.

src/syscall/file_hosted.go

@@ -1,5 +1,4 @@
 //go:build !baremetal && !wasm
-// +build !baremetal,!wasm
 
 // This file assumes there is a libc available that runs on a real operating
 // system.

src/syscall/mmap_unix_test.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build darwin || linux
-// +build darwin linux
 
 package syscall_test
 

src/syscall/proc_emulated.go

@@ -1,5 +1,4 @@
 //go:build baremetal || wasi || wasm
-// +build baremetal wasi wasm
 
 // This file emulates some process-related functions that are only available
 // under a real operating system.

src/syscall/proc_hosted.go

@@ -1,5 +1,4 @@
 //go:build !baremetal && !wasi && !wasm
-// +build !baremetal,!wasi,!wasm
 
 // This file assumes there is a libc available that runs on a real operating
 // system.

src/syscall/syscall_libc.go

@@ -1,5 +1,4 @@
 //go:build darwin || nintendoswitch || wasi
-// +build darwin nintendoswitch wasi
 
 package syscall
 

src/syscall/syscall_libc_darwin.go

@@ -1,5 +1,4 @@
 //go:build darwin
-// +build darwin
 
 package syscall
 

src/syscall/syscall_libc_darwin_amd64.go

@@ -1,5 +1,4 @@
 //go:build darwin
-// +build darwin
 
 package syscall
 

src/syscall/syscall_libc_darwin_arm64.go

@@ -1,5 +1,4 @@
 //go:build darwin
-// +build darwin
 
 package syscall
 

src/syscall/syscall_libc_nintendoswitch.go

@@ -1,5 +1,4 @@
 //go:build nintendoswitch
-// +build nintendoswitch
 
 package syscall
 

src/syscall/syscall_libc_wasi.go

@@ -1,5 +1,4 @@
 //go:build wasi
-// +build wasi
 
 package syscall
 

src/syscall/syscall_nonhosted.go

@@ -1,5 +1,4 @@
 //go:build baremetal || js
-// +build baremetal js
 
 package syscall
 

src/syscall/tables_nonhosted.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build baremetal || nintendoswitch || js
-// +build baremetal nintendoswitch js
 
 package syscall