remove WebAssembly for wasm parsing in favor of manual parsing

[Ryang-21]

• Removes WebAssembly parsing for wasm in favor of manual parsing for runtimes that do not allow dynamic code evaluation

[github-actions]

Size Change: -10.1 kB (-0.02%)

Total Size: 42.5 MB

Filename	Size	Change
dist/stellar-sdk-minimal.js	5.56 MB	-1.59 kB (-0.03%)
dist/stellar-sdk-minimal.min.js	4.84 MB	-930 B (-0.02%)
dist/stellar-sdk-no-axios.js	5.56 MB	-1.59 kB (-0.03%)
dist/stellar-sdk-no-axios.min.js	4.84 MB	-926 B (-0.02%)
dist/stellar-sdk-no-eventsource.js	5.8 MB	-1.58 kB (-0.03%)
dist/stellar-sdk-no-eventsource.min.js	5.05 MB	-926 B (-0.02%)
dist/stellar-sdk.js	5.8 MB	-1.59 kB (-0.03%)
dist/stellar-sdk.min.js	5.05 MB	-926 B (-0.02%)

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