fix(css/parser): Avoid skipping extra whitespaces (#6592)

**Description:**

 - Avoid skipping whitespaces in `[`/`(`/`{` because it is invalid. Whitespaces can be allowed and can be disallowed based on context, we can't apply this logic to any CSS context.
 - Also, we already skip whitespaces where it is necessary.
 - This also avoids extra actions.

crates/swc_css_parser/src/parser/macros.rs

@@ -43,28 +43,6 @@ macro_rules! tok_pat {
     };
 }
 
-macro_rules! can_ignore_ws {
-    ("{") => {
-        true
-    };
-    ("}") => {
-        true
-    };
-    ("(") => {
-        true
-    };
-    (")") => {
-        true
-    };
-    (":") => {
-        true
-    };
-
-    ($tt:tt) => {
-        false
-    };
-}
-
 macro_rules! cur {
     ($parser:expr) => {
         match $parser.input.cur() {
@@ -182,10 +160,6 @@ macro_rules! eat {
 
 macro_rules! expect {
     ($parser:expr, $tt:tt) => {
-        if can_ignore_ws!($tt) {
-            $parser.input.skip_ws()
-        }
-
         if !eat!($parser, $tt) {
             let span = $parser.input.cur_span();
             return Err(crate::error::Error::new(