Fix duplicated imported linear memories and tables

[Robbepop]

Closes #587.

Thanks @yjhmelody for reporting the issue.

[paritytech-cicd-pr]

BENCHMARKS

	NATIVE			WASMTIME
BENCHMARK	MASTER	PR	DIFF	MASTER	PR	DIFF	WASMTIME OVERHEAD
execute/ bare_call_0	1.02ms	1.02ms	🟢 0.39%	934.80µs	929.69µs	🟢 -0.26%	🟢 -9%
execute/ bare_call_0/typed	551.39µs	527.15µs	🟢 -4.38%	460.45µs	449.80µs	🟢 -2.43%	🟢 -15%
execute/ bare_call_1	1.07ms	1.05ms	🔴 -2.46%	1.19ms	1.20ms	🔴 0.86%	🟢 14%
execute/ bare_call_16	2.11ms	2.32ms	🔴 9.22%	4.84ms	5.08ms	🔴 5.44%	🔴 119%
execute/ bare_call_16/typed	1.34ms	1.56ms	🔴 17.16%	2.26ms	2.05ms	🟢 -9.51%	🟢 32%
execute/ bare_call_1/typed	610.03µs	609.52µs	⚪ -0.03%	751.53µs	780.36µs	🔴 3.83%	🟢 28%
execute/ bare_call_4	1.18ms	1.20ms	🟢 1.47%	1.92ms	1.85ms	🟢 -3.43%	🟡 54%
execute/ bare_call_4/typed	656.89µs	631.12µs	🟢 -3.78%	904.94µs	908.36µs	⚪ 0.24%	🟢 44%
execute/ br_table	635.09µs	639.56µs	⚪ 2.07%	986.30µs	960.70µs	🟢 -2.63%	🟢 50%
execute/ count_until	711.46µs	651.55µs	🟢 -8.40%	2.19ms	2.19ms	⚪ 0.41%	🔴 236%
execute/ factorial_iterative	301.96µs	314.61µs	🔴 4.00%	862.64µs	863.98µs	⚪ 0.18%	🔴 175%
execute/ factorial_recursive	615.74µs	607.87µs	🟢 -1.30%	1.29ms	1.28ms	⚪ -0.51%	🔴 111%
execute/ fib_iterative	1.43ms	1.55ms	🔴 7.76%	4.62ms	4.62ms	⚪ -0.09%	🔴 199%
execute/ fib_recursive	5.77ms	6.08ms	🔴 5.51%	12.04ms	12.19ms	🔴 1.25%	🔴 101%
execute/ global_bump	1.01ms	957.38µs	🟢 -5.12%	3.24ms	3.20ms	🟢 -1.34%	🔴 234%
execute/ global_const	718.36µs	799.44µs	🔴 11.41%	2.59ms	2.62ms	⚪ 0.85%	🔴 227%
execute/ host_calls	29.00µs	29.08µs	⚪ 0.26%	42.44µs	41.73µs	⚪ -1.58%	🟢 43%
execute/ memory_fill	1.31ms	1.30ms	⚪ -0.36%	4.18ms	4.17ms	⚪ -0.19%	🔴 220%
execute/ memory_sum	1.31ms	1.33ms	🔴 2.27%	4.20ms	4.10ms	🟢 -2.68%	🔴 207%
execute/ memory_vec_add	2.69ms	2.74ms	🔴 1.96%	8.50ms	8.47ms	⚪ -0.39%	🔴 209%
execute/ recursive_is_even	1.18ms	1.13ms	🟢 -3.63%	2.10ms	2.11ms	⚪ 0.16%	🟡 86%
execute/ recursive_ok	146.06µs	145.05µs	⚪ -1.21%	297.98µs	306.25µs	🔴 2.54%	🔴 111%
execute/ recursive_scan	185.71µs	178.46µs	🟢 -4.04%	380.08µs	388.41µs	🔴 2.19%	🔴 118%
execute/ recursive_trap	14.24µs	13.97µs	🟢 -2.15%	29.88µs	30.10µs	⚪ 0.88%	🔴 115%
execute/ regex_redux	543.38µs	554.37µs	🔴 2.25%	1.54ms	1.55ms	⚪ 0.45%	🔴 180%
execute/ rev_complement	500.56µs	519.70µs	🔴 3.71%	1.49ms	1.53ms	🔴 2.82%	🔴 195%
execute/ tiny_keccak	360.96µs	370.64µs	🔴 2.95%	1.21ms	1.22ms	⚪ 0.53%	🔴 228%
execute/ trunc_f2i	919.68µs	916.65µs	⚪ -0.26%	2.52ms	2.51ms	⚪ -0.15%	🔴 174%
instantiate/ wasm_kernel	59.73µs	60.00µs	⚪ 1.83%	75.35µs	93.27µs	🔴 23.18%	🟡 55%
translate/ erc1155	207.26µs	207.41µs	⚪ 0.11%	405.38µs	397.52µs	🟢 -2.03%	🟡 92%
translate/ erc20	101.70µs	101.93µs	⚪ 0.35%	198.34µs	196.73µs	⚪ -0.85%	🟡 93%
translate/ erc721	145.66µs	146.28µs	⚪ 0.02%	289.61µs	283.84µs	🟢 -1.86%	🟡 94%
translate/ spidermonkey	0.00ns	0.00ns	⚪ -1.15%	0.00ns	0.00ns	⚪ -0.99%	🟢 0%
translate/ wasm_kernel	3.80ms	3.75ms	⚪ -0.86%	7.56ms	7.49ms	⚪ -0.94%	🟡 99%

Link to pipeline