fix: Don't align ALI block size to 4 byte boundary

ALI blocks are used in two locations inside a PSD file:

- At the end of each Layer Info section. These ALI blocks describe
  properties of each layer. Although Adobe does not name these fields, I
  call them "Extra Info Blocks".
- After the Global Layer Mask Info section. These are called "Tagged
  Blocks", and appear to describe properties of the entire PSD file.

It is known that AdditionalLayerInfo (ALI) blocks are aligned to a
multiple 4 bytes. (This is undocumented in Adobe's docs). However, we
discovered that this only applies to Tagged Blocks, but not Extra Info
Blocks. This caused some PSD files to fail to parse because we were
wrongly enforcing the 4-byte alignment on Extra Info Blocks.

Since our library only parses Extra Info Blocks (completely skipping
Tagged Blocks), we can simply remove the 4-byte aligment code for now.

This issue was reported by @immigration9

packages/psd/src/sections/LayerAndMaskInformation/AdditionalLayerInfo/index.ts

@@ -40,10 +40,6 @@ export function readAdditionalLayerInfo(
   const remainingBytes = size - (cursor.position - prevPosition);
   cursor.pass(remainingBytes);
 
-  // AdditionalLayerInfo blocks are aligned to a multiple of 4 bytes
-  // (Undocumented in Adobe's docs)
-  cursor.padding(size, 4);
-
   return aliBlock;
 }