Remove extra SuppressFBWarnings in lib-extra

Author: Goooler

lib-extra/src/main/java/com/diffplug/spotless/extra/GitAttributesLineEndings.java

@@ -188,7 +188,6 @@ static class RuntimeInit {
 		/** git worktree root, might not exist if we're not in a git repo. */
 		final @Nullable File workTree;
 
-		@SuppressFBWarnings("SIC_INNER_SHOULD_BE_STATIC_ANON")
 		RuntimeInit(File projectDir) {
 			/////////////////////////////////
 			// USER AND SYSTEM-WIDE VALUES //