Revert "db dialect, backtick mod (#10)"

This reverts commit 5ec623e.

Author: jmhain

src/dialect/databricks.rs

@@ -12,7 +12,6 @@
 
 mod ansi;
 mod bigquery;
-mod databricks;
 mod generic;
 pub mod keywords;
 mod mssql;
@@ -26,7 +25,6 @@ use std::fmt::Debug;
 
 pub use self::ansi::AnsiDialect;
 pub use self::bigquery::BigQueryDialect;
-pub use self::databricks::DatabricksDialect;
 pub use self::generic::GenericDialect;
 pub use self::mssql::MsSqlDialect;
 pub use self::mysql::MySqlDialect;

src/dialect/mod.rs

@@ -2072,10 +2072,7 @@ impl<'a> Parser<'a> {
             //    ignore the <separator> and treat the multiple strings as
             //    a single <literal>."
             Token::SingleQuotedString(s) => Ok(Some(Ident::with_quote('\'', s))),
-            Token::BacktickQuotedString(s)
-                if dialect_of!(self is BigQueryDialect)
-                    || dialect_of!(self is DatabricksDialect) =>
-            {
+            Token::BacktickQuotedString(s) if dialect_of!(self is BigQueryDialect) => {
                 Ok(Some(Ident::with_quote('`', s)))
             }
             not_an_ident => {