Remove parentheses from create view logic (#172)

### Summary

Remove parentheses from view materialization to optimize VDSs in Dremio.

### Description

Before:
```
(
   select * from table
)
```
After:
```
select * from table
```

### Test Results

All functional tests pass. 

### Changelog

-   [ ] Added a summary of what this PR accomplishes to CHANGELOG.md

### Related Issue
#167

CHANGELOG.md

@@ -3,15 +3,17 @@
 ## Under the Hood
 
 -   [#199](https://github.com/dremio/dbt-dremio/issues/199) Populate PyPI's `long_description` with contents of `README.md`
+-   [#167](https://github.com/dremio/dbt-dremio/issues/167) Remove parentheses surrounding views in the create_view_as macro. In more complex queries, the parentheses cause performance issues. 
+
 
 # dbt-dremio 1.5.0 - release June 22, 2023
 
+
 ## Features
 
 ## Fixes
 
 ## Under the Hood
-
 -   [#179](https://github.com/dremio/dbt-dremio/issues/179) Upgrade to support dbt-core v1.5.0.
     -   Add support for Python 3.11.
     -   Add support for relevant Tests:
@@ -27,6 +29,7 @@
 -   Upgrade dbt-tests-adapter to 1.5.0.
 -   Upgrade Requests to 2.31.0. [#183](https://github.com/dremio/dbt-dremio/issues/183).
 
+
 # dbt-dremio 1.4.5 - release March 23, 2023
 
 ## Features

dbt/include/dremio/macros/materializations/view/create_view_as.sql

@@ -22,7 +22,6 @@ limitations under the License.*/
 
   {{ sql_header if sql_header is not none }}
 
-  create or replace view {{ relation }} as (
-    {{ sql }}
-  )
+  create or replace view {{ relation }} as {{ sql }}
+
 {%- endmacro %}