Remove obsolete CRC calculation and OGG file reading tests

- Deleted test-crc.js which contained a custom CRC calculation implementation.
- Removed test-ogg.js that was responsible for reading and displaying OGG files.

test-crc.js

@@ -1,32 +0,0 @@
-const { crc } = require('node-crc');
-
-const CRC_TABLE = new Uint32Array(256);
-for (let i = 0; i < 256; i++) {
-    let r = i << 24;
-    for (let j = 0; j < 8; j++) {
-        r = (r & 0x80000000) !== 0 ? ((r << 1) ^ 0x04c11db7) : (r << 1);
-    }
-    CRC_TABLE[i] = (r >>> 0);
-}
-
-function calculateOggCrc(buffer) {
-    let crc = 0;
-    for (let i = 0; i < buffer.length; i++) {
-        crc = ((crc << 8) >>> 0) ^ CRC_TABLE[((crc >>> 24) ^ buffer[i]) & 0xff];
-        crc >>>= 0;
-    }
-    return crc;
-}
-
-const testBuffer = Buffer.from("hello world this is a test page", "utf-8");
-
-const expectedBuffer = crc(32, false, 0x04c11db7, 0, 0, 0, 0, 0, testBuffer);
-const expected = expectedBuffer.readUInt32BE(0);
-
-const actual = calculateOggCrc(testBuffer);
-
-console.log({
-    expected: expected.toString(16),
-    actual: actual.toString(16),
-    match: expected === actual
-});

test-ogg.js

@@ -1,18 +0,0 @@
-const fs = require('fs');
-
-const files = fs.readdirSync('recordings').filter(f => f.endsWith('.ogg')).sort().reverse();
-if (files.length === 0) {
-    console.log("No files to check");
-    process.exit(0);
-}
-
-const file = 'recordings/' + files[0];
-console.log("Reading " + file);
-const buf = fs.readFileSync(file);
-
-console.log("First 200 bytes:");
-console.log(buf.subarray(0, 200).toString('hex').match(/.{1,32}/g).join('\n'));
-
-// check for Opus tags
-let str = buf.subarray(0, 200).toString('ascii');
-console.log("ASCII:", str.replace(/[^ -~]/g, '.'));