Update logo alt text in README.md

Author: ryanlua

README.md

@@ -1,5 +1,5 @@
 <h1 align="center">
-  <img alt="Fluoroscopy Ore Outline logo" width="512" src="assets/logo.png">
+  <img alt="Fluoroscopy" width="512" src="assets/logo.png">
 </h1>
 
 A Minecraft Bedrock Vibrant Visuals resource pack that outlines and glows ores with their block color with optional x-ray. Fluoroscopy is designed around the [new Bedrock Textures](https://www.minecraft.net/en-us/article/try-new-bedrock-textures) to match vanilla as much as possible.