Fixes in .gitignore post LibASR sync (#2842)

* Fix .gitignore

* Update .gitignore

Author: ubaidsk

.gitignore

@@ -40,7 +40,6 @@ CPackConfig.cmake
 CPackSourceConfig.cmake
 _CPack_Packages
 /CMakeSettings.json
-src/libasr/libasr.a.*
 
 ## libraries
 *.a
@@ -51,30 +50,11 @@ src/libasr/libasr.a.*
 *.dSYM
 
 ## Generated files
-version
+lp_version
 lpython/ast/ast.py
 lpython/asr/asr.py
 src/lpython/ast.h
 src/lpython/asr.h
-src/libasr/asr.h
-src/libasr/wasm_visitor.h
-src/libasr/pass/intrinsic_function_registry_util.h
-src/libasr/config.h
-src/libasr/asr_base_visitor.h
-src/libasr/asr_deserialization_visitor.h
-src/libasr/asr_expr_base_replacer_visitor.h
-src/libasr/asr_expr_call_replacer_visitor.h
-src/libasr/asr_expr_stmt_duplicator_visitor.h
-src/libasr/asr_expr_type_visitor.h
-src/libasr/asr_expr_value_visitor.h
-src/libasr/asr_json_visitor.h
-src/libasr/asr_lookup_name_visitor.h
-src/libasr/asr_pass_walk_visitor.h
-src/libasr/asr_pickle_visitor.h
-src/libasr/asr_serialization_visitor.h
-src/libasr/asr_stmt_base_replacer_visitor.h
-src/libasr/asr_tree_visitor.h
-src/libasr/asr_walk_visitor.h
 share/jupyter/kernels/fortran/kernel.json
 share/jupyter/kernels/lpython/kernel.json
 src/runtime/*.o.empty.c