fix(@schematics/angular): remove `inlineSources` from library tsconfi… #2501

Job	Run time
build-e2e-windows	25s
lint	1m 58s
build	23s
Browser Compatibility Tests	0s
publish-snapshots	0s
test	0s
e2e	0s
e2e-snapshots	0s
e2e-package-managers	0s
e2e-windows	0s
	2m 46s

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