[ELF] - Removed excessive check. NFC.

Thanks to Rui Ueyama who noticed that.

llvm-svn: 277062
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index 5a34073..514e7f3 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -747,7 +747,7 @@
   expect("{");
 
   while (!Error && !skip("}")) {
-    if ((!peek().empty() && peek().startswith("*")) || peek() == "KEEP") {
+    if (peek().startswith("*") || peek() == "KEEP") {
       Cmd->Commands.push_back(readInputSectionDescription());
       continue;
     }