[chore] Remove broken test (#2748)

This wasn't actually testing the fix, which is more difficult to
orchestrate than is worth.

See: https://github.com/trufflesecurity/trufflehog/pull/2742

pkg/gitparse/gitparse_test.go

@@ -2,13 +2,10 @@ package gitparse
 
 import (
 	"bytes"
-	"io"
 	"strings"
 	"testing"
 	"time"
 
-	"github.com/stretchr/testify/assert"
-
 	"github.com/trufflesecurity/trufflehog/v3/pkg/context"
 	bufferwriter "github.com/trufflesecurity/trufflehog/v3/pkg/writers/buffer_writer"
 	bufferedfilewriter "github.com/trufflesecurity/trufflehog/v3/pkg/writers/buffered_file_writer"
@@ -2352,55 +2349,3 @@ index 2ee133b..12b4843 100644
 +output = json
 +region = us-east-2
 `
-
-type mockContentWriter struct{ counter int }
-
-func newMockContentWriter() *mockContentWriter { return &mockContentWriter{counter: 1} }
-
-func (m *mockContentWriter) ReadCloser() (io.ReadCloser, error) {
-	return io.NopCloser(bytes.NewReader([]byte{})), nil
-}
-
-func (m *mockContentWriter) CloseForWriting() error { return nil }
-
-func (m *mockContentWriter) Len() int { return 0 }
-
-func (m *mockContentWriter) String() (string, error) { return "", nil }
-
-func (m *mockContentWriter) Write(p []byte) (n int, err error) { return len(p), nil }
-
-func TestNewDiffContentWriterCreation(t *testing.T) {
-	testCases := []struct {
-		name          string
-		opts          []diffOption
-		expectedCount int
-	}{
-		{
-			name:          "Without custom contentWriter",
-			expectedCount: 1,
-		},
-		{
-			name:          "With custom contentWriter",
-			opts:          []diffOption{withCustomContentWriter(newMockContentWriter())},
-			expectedCount: 1,
-		},
-	}
-
-	for _, tc := range testCases {
-		tc := tc
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			commit := new(Commit)
-
-			mockWriter := newMockContentWriter()
-			assert.NotNil(t, mockWriter, "Failed to create mockWriter")
-
-			diff := newDiff(commit, tc.opts...)
-			assert.NotNil(t, diff, "Failed to create diff")
-			assert.NotNil(t, diff.contentWriter, "Failed to create contentWriter")
-
-			assert.Equal(t, tc.expectedCount, mockWriter.counter, "Unexpected number of contentWriter creations")
-		})
-	}
-}