update lang

Author: TechLord22

src/main/resources/assets/gregtech/lang/en_us.lang

@@ -1738,7 +1738,7 @@ gregtech.material.nichrome=Nichrome
 gregtech.material.niobium_nitride=Niobium Nitride
 gregtech.material.niobium_titanium=Niobium-Titanium
 gregtech.material.obsidian=Obsidian
-gregtech.material.phosphate=Phosphate
+gregtech.material.phosphate=Phosphate [DEPRECATED]
 gregtech.material.sterling_silver=Sterling Silver
 gregtech.material.rose_gold=Rose Gold
 gregtech.material.black_bronze=Black Bronze