Remove UPX from Windows builds because antiviruses

scripts/README.md

@@ -2,11 +2,18 @@
 
 - UPX-3.96 pack broken bin for `linux_mipsel`
 - UPX-3.95 pack broken bin for `mac_amd64`
+- UPX windows pack is recognised by anti-viruses as malicious
 - `aarch64` = `arm64`
 - `armv7` = `arm`
 
+## Virus
+
+- https://go.dev/doc/faq#virus
+- https://groups.google.com/g/golang-nuts/c/lPwiWYaApSU
+
 ## Useful links
 
 - https://github.com/golang/go/wiki/GoArm
 - https://gist.github.com/asukakenji/f15ba7e588ac42795f421b48b8aede63
 - https://en.wikipedia.org/wiki/AArch64
+- https://stackoverflow.com/questions/22267189/what-does-the-w-flag-mean-when-passed-in-via-the-ldflags-option-to-the-go-comman

scripts/build.cmd

@@ -2,13 +2,13 @@
 
 @SET GOOS=windows
 @SET GOARCH=amd64
-@SET FILENAME=go2rtc_win64.exe
-go build -ldflags "-s -w" -trimpath -o %FILENAME% && upx-3.96 %FILENAME%
+@SET FILENAME=go2rtc_win64.zip
+go build -ldflags "-s -w" -trimpath && 7z a -sdel %FILENAME% go2rtc.exe
 
 @SET GOOS=windows
 @SET GOARCH=386
-@SET FILENAME=go2rtc_win32.exe
-go build -ldflags "-s -w" -trimpath -o %FILENAME% && upx-3.96 %FILENAME%
+@SET FILENAME=go2rtc_win32.zip
+go build -ldflags "-s -w" -trimpath && 7z a -sdel %FILENAME% go2rtc.exe
 
 @SET GOOS=linux
 @SET GOARCH=amd64

scripts/build_win64.cmd

@@ -1,4 +1,4 @@
 @SET GOOS=windows
 @SET GOARCH=amd64
 cd ..
-go build -ldflags "-s -w" -trimpath && upx-3.96 go2rtc.exe
+go build -ldflags "-w -s" -trimpath