Remove __inline library decorator. (#23605)

Looks like this was removed in #12673

Author: brendandahl

src/utility.mjs

@@ -172,7 +172,6 @@ export function mergeInto(obj, other, options = null) {
           __sig: 'string',
           __proxy: 'string',
           __asm: 'boolean',
-          __inline: 'boolean',
           __postset: ['string', 'function'],
           __docs: 'string',
           __nothrow: 'boolean',
@@ -204,7 +203,6 @@ export function isDecorator(ident) {
     '__sig',
     '__proxy',
     '__asm',
-    '__inline',
     '__deps',
     '__postset',
     '__docs',