Remove unused global dependencies #789

Job	Run time
Test Build	4m 36s
Test Browser on macOS (safari, default)	1m 16s
Test Browser on macOS (safari, main)	1m 10s
Test Browser on Linux (chrome, disabled)	59s
Test Browser on macOS (safari, disabled)	1m 35s
Test Browser on Linux (firefox, default)	1m 37s
Test Browser on Linux (chrome, main)	40s
Test Browser on Linux (firefox, main)	53s
Test Shell (spidermonkey, default)	5m 18s
Test Browser on Linux (chrome, default)	1m 3s
Test Shell (spidermonkey, disabled)	1m 51s
Test Browser on Linux (firefox, disabled)	1m 19s
Test Shell (jsc, default)	1m 51s
Test Shell (jsc, disabled)	1m 51s
Test Shell (jsc, main)	44s
Test Shell (spidermonkey, main)	47s
Test Shell (v8, main)	38s
Test Shell (v8, disabled)	1m 35s
Test Shell (v8, default)	2m 37s
Test Build	4m 36s
Test Browser on Linux (firefox, default)	1m 37s
Test Shell (spidermonkey, default)	5m 18s
Test Browser on macOS (safari, disabled)	1m 35s
Test Browser on macOS (safari, default)	1m 16s
Test Browser on macOS (safari, main)	1m 10s
Test Browser on Linux (chrome, default)	1m 3s
Test Browser on Linux (chrome, main)	40s
Test Shell (jsc, default)	3m 0s
Test Shell (jsc, main)	44s
Test Shell (v8, main)	38s
Test Browser on Linux (chrome, disabled)	59s
Test Shell (jsc, disabled)	1m 51s
Test Shell (v8, default)	2m 37s
Test Shell (spidermonkey, main)	47s
Test Shell (spidermonkey, disabled)	1m 51s
Test Shell (v8, disabled)	1m 35s
Test Browser on Linux (firefox, disabled)	1m 19s
Test Browser on Linux (firefox, main)	53s
	1h 5m 49s

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