Removed usage of azure_core::Result in examples #115

Job	Run time
Get minimum supported rust version	15s
Code Style	1m 24s
Lint	32s
SDK docs - mgmt	24s
SDK docs	1m 23s
SDK docs - svc	27s
SDK Tests (stable, false)	1m 41s
E2E Tests (stable, false)	34s
WASM Tests (stable, false)	1m 1s
SDK Tests (1.76, false)	2m 40s
WASM Tests (1.76, false)	1m 26s
E2E Tests (1.76, false)	45s
WASM Tests (nightly, true)	1m 24s
E2E Tests (nightly, true)	2m 15s
SDK Tests (nightly, true)	2m 4s
	18m 15s

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