[MC] - ConstantPools.cpp: Style consistency, remove redundant braces. NFC.

Remove braces around two, single statement "if" blocks in line with rest 
of the file and the general LLVM code style. NFC, testing commit access.

llvm-svn: 341294
diff --git a/llvm/lib/MC/ConstantPools.cpp b/llvm/lib/MC/ConstantPools.cpp
index ca54402..18277a2 100644
--- a/llvm/lib/MC/ConstantPools.cpp
+++ b/llvm/lib/MC/ConstantPools.cpp
@@ -97,16 +97,14 @@
 
 void AssemblerConstantPools::emitForCurrentSection(MCStreamer &Streamer) {
   MCSection *Section = Streamer.getCurrentSectionOnly();
-  if (ConstantPool *CP = getConstantPool(Section)) {
+  if (ConstantPool *CP = getConstantPool(Section))
     emitConstantPool(Streamer, Section, *CP);
-  }
 }
 
 void AssemblerConstantPools::clearCacheForCurrentSection(MCStreamer &Streamer) {
   MCSection *Section = Streamer.getCurrentSectionOnly();
-  if (ConstantPool *CP = getConstantPool(Section)) {
+  if (ConstantPool *CP = getConstantPool(Section))
     CP->clearCache();
-  }
 }
 
 const MCExpr *AssemblerConstantPools::addEntry(MCStreamer &Streamer,