Drop Embedded Swift with 6.1 and earlier and remove `JAVASCRIPTKIT_EXPERIMENTAL_EMBEDDED_WASM`#406

kateinoigakukun wants to merge 1 commit intomainswiftwasm/JavaScriptKit:mainfrom

yt/remove-JAVASCRIPTKIT_EXPERIMENTAL_EMBEDDED_WASMswiftwasm/JavaScriptKit:yt/remove-JAVASCRIPTKIT_EXPERIMENTAL_EMBEDDED_WASMCopy head branch name to clipboard