[llvm-cov] Use less space to describe source names

In r279628, we made SourceCoverageView list the binary associated with a
view and started adding labels (e.g "Source: foo" or "Function: bar") to
everything. Condense this information a bit to unclutter reports.

llvm-svn: 280896
diff --git a/llvm/tools/llvm-cov/CodeCoverage.cpp b/llvm/tools/llvm-cov/CodeCoverage.cpp
index 9755b60..e5b9b69 100644
--- a/llvm/tools/llvm-cov/CodeCoverage.cpp
+++ b/llvm/tools/llvm-cov/CodeCoverage.cpp
@@ -210,9 +210,9 @@
     return nullptr;
 
   auto Expansions = FunctionCoverage.getExpansions();
-  auto View = SourceCoverageView::create(
-      getSymbolForHumans(Function.Name), SourceBuffer.get(), ViewOpts,
-      std::move(FunctionCoverage), /*FunctionView=*/true);
+  auto View = SourceCoverageView::create(getSymbolForHumans(Function.Name),
+                                         SourceBuffer.get(), ViewOpts,
+                                         std::move(FunctionCoverage));
   attachExpansionSubViews(*View, Expansions, Coverage);
 
   return View;
@@ -238,7 +238,7 @@
     auto SubViewExpansions = SubViewCoverage.getExpansions();
     auto SubView = SourceCoverageView::create(
         getSymbolForHumans(Function->Name), SourceBuffer.get(), ViewOpts,
-        std::move(SubViewCoverage), /*FunctionView=*/true);
+        std::move(SubViewCoverage));
     attachExpansionSubViews(*SubView, SubViewExpansions, Coverage);
 
     if (SubView) {