Update old tests to match changes

Author: kekavc24

pkgs/yaml_edit/test/remove_test.dart

@@ -131,7 +131,6 @@ c: 3
       doc.remove([0, 'b']);
       expect(doc.toString(), equals('''
 - a: 1
-
   c: 3
 '''));
     });
@@ -184,9 +183,7 @@ b: 2
 a: 1
 ''');
       doc.remove(['a']);
-      expect(doc.toString(), equals('''
-{}
-'''));
+      expect(doc.toString(), equals('{}'));
     });
 
     test('last element should return flow empty map (2)', () {
@@ -331,9 +328,7 @@ next: value
 - 0
 ''');
       doc.remove([0]);
-      expect(doc.toString(), equals('''
-[]
-'''));
+      expect(doc.toString(), equals('[]'));
     });
 
     test('last element should return flow empty list (2)', () {

pkgs/yaml_edit/test/testdata/output/issue_55.golden

@@ -12,4 +12,4 @@ environment:
   sdk: ^3.0.0
 dependencies:
 dev_dependencies:
-  {}
+  {}

pkgs/yaml_edit/test/testdata/output/remove_block_list.golden

@@ -33,4 +33,4 @@
  - foo: true
  - {}
  - nested:
-     {}
+     {}

pkgs/yaml_edit/test/testdata/output/remove_nested_key.golden

@@ -9,4 +9,4 @@ B:
 ---
 A: true
 B:
-  {}
+  {}

pkgs/yaml_edit/test/testdata/output/remove_nested_key_with_null.golden

@@ -4,4 +4,4 @@ B:
 ---
 A: true
 B:
-  {}
+  {}

pkgs/yaml_edit/test/testdata/output/remove_nested_key_with_trailing_comma.golden

@@ -4,4 +4,4 @@ B:
 ---
 A: true
 B:
-  {}
+  {}

pkgs/yaml_edit/test/windows_test.dart

@@ -161,9 +161,7 @@ c: 3\r
 - 0\r
 ''');
       doc.remove([0]);
-      expect(doc.toString(), equals('''
-[]\r
-'''));
+      expect(doc.toString(), equals('[]'));
       expectYamlBuilderValue(doc, []);
     });
 
@@ -204,9 +202,7 @@ c: 3\r
 a: 1\r
 ''');
       doc.remove(['a']);
-      expect(doc.toString(), equals('''
-{}\r
-'''));
+      expect(doc.toString(), equals('{}'));
       expectYamlBuilderValue(doc, {});
     });