[llvm-cov] Just emit the version number in the index file

Having the version information in every view is distracting, especially
if there are several sub-views.

llvm-svn: 281414
diff --git a/llvm/tools/llvm-cov/SourceCoverageViewText.cpp b/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
index 954572a..16bbe56 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
@@ -67,10 +67,7 @@
 
 void SourceCoverageViewText::renderViewHeader(raw_ostream &) {}
 
-void SourceCoverageViewText::renderViewFooter(raw_ostream &OS) {
-  getOptions().colored_ostream(OS, raw_ostream::CYAN)
-      << "\n" << getOptions().getLLVMVersionString();
-}
+void SourceCoverageViewText::renderViewFooter(raw_ostream &) {}
 
 void SourceCoverageViewText::renderSourceName(raw_ostream &OS, bool WholeFile) {
   std::string ViewInfo = WholeFile ? getVerboseSourceName() : getSourceName();