doc: fix RESOLVE_ESM_MATCH in modules.md

Return type of PACKAGE_EXPORTS_RESOLVE was changed when subpath folder
mappings reached EOL. But RESOLVE_ESM_MATCH was not updated.

Refs: nodejs#40121

doc/api/modules.md

@@ -272,15 +272,10 @@ LOAD_PACKAGE_SELF(X, DIR)
 6. RESOLVE_ESM_MATCH(MATCH)
 
 RESOLVE_ESM_MATCH(MATCH)
-1. let { RESOLVED, EXACT } = MATCH
-2. let RESOLVED_PATH = fileURLToPath(RESOLVED)
-3. If EXACT is true,
-   a. If the file at RESOLVED_PATH exists, load RESOLVED_PATH as its extension
-      format. STOP
-4. Otherwise, if EXACT is false,
-   a. LOAD_AS_FILE(RESOLVED_PATH)
-   b. LOAD_AS_DIRECTORY(RESOLVED_PATH)
-5. THROW "not found"
+1. let RESOLVED_PATH = fileURLToPath(MATCH)
+2. If the file at RESOLVED_PATH exists, load RESOLVED_PATH as its extension
+   format. STOP
+3. THROW "not found"
 </pre>
 
 ## Caching