Remove solaris build tag and `contrib/mkimage/solaris

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: 4785f1a7ab7ec857dc3ca849ee6ecadf519ef30e
Component: engine

components/engine/pkg/directory/directory_unix.go

@@ -1,4 +1,4 @@
-// +build linux freebsd solaris
+// +build linux freebsd
 
 package directory
 

components/engine/pkg/mount/flags_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux,!freebsd freebsd,!cgo solaris,!cgo
+// +build !linux,!freebsd freebsd,!cgo
 
 package mount
 

components/engine/pkg/mount/mount.go

@@ -13,7 +13,7 @@ func GetMounts() ([]*Info, error) {
 }
 
 // Mounted determines if a specified mountpoint has been mounted.
-// On Linux it looks at /proc/self/mountinfo and on Solaris at mnttab.
+// On Linux it looks at /proc/self/mountinfo.
 func Mounted(mountpoint string) (bool, error) {
 	entries, err := parseMountTable()
 	if err != nil {

components/engine/pkg/mount/mount_unix_test.go

@@ -1,4 +1,4 @@
-// +build !windows,!solaris
+// +build !windows
 
 package mount
 

components/engine/pkg/mount/mounter_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux,!freebsd,!solaris freebsd,!cgo solaris,!cgo
+// +build !linux,!freebsd freebsd,!cgo
 
 package mount
 

components/engine/pkg/mount/mountinfo_unsupported.go

@@ -1,4 +1,4 @@
-// +build !windows,!linux,!freebsd,!solaris freebsd,!cgo solaris,!cgo
+// +build !windows,!linux,!freebsd freebsd,!cgo
 
 package mount
 

components/engine/pkg/parsers/kernel/kernel_unix.go

@@ -1,4 +1,4 @@
-// +build linux freebsd solaris openbsd
+// +build linux freebsd openbsd
 
 // Package kernel provides helper function to get, parse and compare kernel
 // versions for different platforms.

components/engine/pkg/parsers/kernel/uname_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux,!solaris
+// +build !linux
 
 package kernel
 

components/engine/pkg/platform/architecture_unix.go

@@ -1,4 +1,4 @@
-// +build freebsd solaris darwin
+// +build freebsd darwin
 
 // Package platform provides helper function to get the runtime architecture
 // for different platforms.

components/engine/pkg/reexec/command_unix.go

@@ -1,4 +1,4 @@
-// +build freebsd solaris darwin
+// +build freebsd darwin
 
 package reexec
 

components/engine/pkg/reexec/command_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux,!windows,!freebsd,!solaris,!darwin
+// +build !linux,!windows,!freebsd,!darwin
 
 package reexec
 
@@ -6,7 +6,7 @@ import (
 	"os/exec"
 )
 
-// Command is unsupported on operating systems apart from Linux, Windows, Solaris and Darwin.
+// Command is unsupported on operating systems apart from Linux, Windows, and Darwin.
 func Command(args ...string) *exec.Cmd {
 	return nil
 }

components/engine/pkg/signal/signal_linux_test.go

@@ -1,4 +1,4 @@
-// +build darwin linux solaris
+// +build darwin linux
 
 package signal
 

components/engine/pkg/signal/signal_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux,!darwin,!freebsd,!windows,!solaris
+// +build !linux,!darwin,!freebsd,!windows
 
 package signal
 

components/engine/pkg/sysinfo/sysinfo_unix.go

@@ -1,8 +1,8 @@
-// +build !linux,!solaris,!windows
+// +build !linux,!windows
 
 package sysinfo
 
-// New returns an empty SysInfo for non linux nor solaris for now.
+// New returns an empty SysInfo for non linux for now.
 func New(quiet bool) *SysInfo {
 	sysInfo := &SysInfo{}
 	return sysInfo

components/engine/pkg/system/meminfo_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux,!windows,!solaris
+// +build !linux,!windows
 
 package system
 

components/engine/pkg/system/process_unix.go

@@ -1,4 +1,4 @@
-// +build linux freebsd solaris darwin
+// +build linux freebsd darwin
 
 package system
 

components/engine/pkg/term/tc.go

@@ -1,5 +1,4 @@
 // +build !windows
-// +build !solaris !cgo
 
 package term
 

components/engine/pkg/term/winsize.go

@@ -1,4 +1,4 @@
-// +build !solaris,!windows
+// +build !windows
 
 package term