i965: Remove unnecessary mt->compressed checks
i965: Remove unnecessary mt->compressed checks

It's harmless to use ALIGN_NPOT() for uncompressed formats
because they have block width/height = 1.

Signed-off-by: Anuj Phogat <e2026475996c48f0b97fd37e84129b3912980428@gmail.com>
Reviewed-by: Alejandro Piñeiro <5dfedca1889afcca58e9b95acd46f78f54f166ed@igalia.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler