fix: restore antlr4 config

Author: Erindcl

build/antlr4.js

@@ -6,11 +6,11 @@ const grammars = path.resolve(__dirname, '../src/grammar');
 const output = path.resolve(__dirname, '../src/lib');
 
 const entry = [
-    // 'generic',
-    // 'hive',
-    // 'plsql',
-    // 'spark',
-    // 'impala',
+    'generic',
+    'hive',
+    'plsql',
+    'spark',
+    'impala',
     'flinksql',
 ];