build: drop deprecated build tags

Author: ysoldak

builder/tools-builtin.go

@@ -1,5 +1,4 @@
 //go:build byollvm
-// +build byollvm
 
 package builder
 

builder/tools-external.go

@@ -1,5 +1,4 @@
 //go:build !byollvm
-// +build !byollvm
 
 package builder
 

cgo/libclang_config_llvm14.go

@@ -1,5 +1,4 @@
 //go:build !byollvm && llvm14
-// +build !byollvm,llvm14
 
 package cgo
 

cgo/libclang_config_llvm15.go

@@ -1,5 +1,4 @@
 //go:build !byollvm && !llvm14
-// +build !byollvm,!llvm14
 
 package cgo
 

src/crypto/rand/rand_arc4random.go

@@ -1,5 +1,4 @@
 //go:build darwin || tinygo.wasm
-// +build darwin tinygo.wasm
 
 // This implementation of crypto/rand uses the arc4random_buf function
 // (available on both MacOS and WASI) to generate random numbers.

src/crypto/rand/rand_baremetal.go

@@ -1,5 +1,4 @@
 //go:build nrf || stm32 || (sam && atsamd51) || (sam && atsame5x)
-// +build nrf stm32 sam,atsamd51 sam,atsame5x
 
 package rand
 

src/crypto/rand/rand_urandom.go

@@ -1,5 +1,4 @@
 //go:build linux && !baremetal && !wasi
-// +build linux,!baremetal,!wasi
 
 // This implementation of crypto/rand uses the /dev/urandom pseudo-file to
 // generate random numbers.

src/device/arm/scb.go

@@ -2,7 +2,6 @@
 // Cortex-M System Control Block-related definitions.
 
 //go:build cortexm
-// +build cortexm
 
 package arm
 

src/device/avr/avr_tiny85.go

@@ -1,5 +1,4 @@
 //go:build avr && attiny85
-// +build avr,attiny85
 
 package avr
 

src/device/nxp/hardfault.go

@@ -3,7 +3,6 @@
 // auto-generated by gen-device-svd.go) among devices in package nxp.
 
 //go:build nxp && !mimxrt1062
-// +build nxp,!mimxrt1062
 
 package nxp