fix(codegen): remove *.js from .gitignore

Author: trivikr

codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/gitignore

@@ -6,8 +6,4 @@
 *.tsbuildinfo
 *.tgz
 *.log
-package-lock.json
-
-*.d.ts
-*.js
-*.js.map
+package-lock.json