Remove block comment support in compiler
Remove hard-coded block comment from bindgen

bindgen hard-coded block comments to generate Clay source files in lib-clay that use block comments. Even worse, the block comments are embedded in statements. Unfortunately, it isn't possible right now to replace them for line comments, so most auto-generated comments had to be removed
Remove block comments from lib-clay and other misc files

Many of these files were generated from bindgen. Once i figure out how to compile bindgen to generate the line-comment version of these, they will be replaced. For now, they've been manually converted