[js/webgpu] Revert parse norm attributes (#19074)
This resolves the below build errors:
```
lib/wasm/jsep/webgpu/op-resolve-rules.ts:19:23 - error TS2724: '"./ops/instance-norm"' has no exported member named 'parseInstanceNormAttributes'. Did you mean 'InstanceNormAttributes'?
19 import {instanceNorm, parseInstanceNormAttributes} from './ops/instance-norm';
~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/wasm/jsep/webgpu/op-resolve-rules.ts:19:23 - error TS6133: 'parseInstanceNormAttributes' is declared but its value is never read.
19 import {instanceNorm, parseInstanceNormAttributes} from './ops/instance-norm';
~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/wasm/jsep/webgpu/op-resolve-rules.ts:20:20 - error TS2305: Module '"./ops/layer-norm"' has no exported member 'parseLayerNormAttributes'.
20 import {layerNorm, parseLayerNormAttributes} from './ops/layer-norm';
~~~~~~~~~~~~~~~~~~~~~~~~
lib/wasm/jsep/webgpu/op-resolve-rules.ts:20:20 - error TS6133: 'parseLayerNormAttributes' is declared but its value is never read.
20 import {layerNorm, parseLayerNormAttributes} from './ops/layer-norm';
```
