Remove PR workflow and disable PR comments #219

Job	Run time
Test Processing	2m 57s
(linux/aarch64) Create Processing Build	3m 24s
(linux/x64) Create Processing Build	5m 11s
(macos/x64) Create Processing Build	3m 8s
(macos/aarch64) Create Processing Build	4m 19s
(windows/x64) Create Processing Build	4m 53s
	23m 52s

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