- Removed unused exception `HttpException` in `\ncc\Exceptions` in favor of `NetworkException`
- Removed unused exception `ComposerDisabledException` in `\ncc\Exceptions` in favor of `ComposerException`
- Removed unused exception `ComposerNotAvailable` in `\ncc\Exceptions` in favor of `ComposerException`
- Removed unused exception `InternalComposerNotAvailable` in `\ncc\Exceptions` in favor of `ComposerException`
- Removed unused exception `PackagePreperationFailedException` in `\ncc\Exceptions` in favor of `PackageException`
- Removed unused exception `PackageParsingException` in `\ncc\Exceptions` in favor of `PackageException`
- Removed unused exception `MissingDependencyException` in `\ncc\Exceptions` (not used)
- Removed unused exception `PackageAlreadyInstalledException` in `\ncc\Exceptions` in favor of `PackageException`
- Removed unused exception `PackageFetchException` in `\ncc\Exceptions` in favor of `PackageException`