[llvm-cov][CoverageViewHTML] remove name="Ln" attribute in the link within MC/DC views

Or it would conflict with the link at actual lines and jumping via URLs
containing #Ln would fail

Author: whentojump

llvm/test/tools/llvm-cov/mcdc-general-none.test

@@ -53,7 +53,7 @@
 // RUN: rm -rf %t.html.dir
 // RUN: llvm-cov show --show-mcdc-summary --show-mcdc %S/Inputs/mcdc-general.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs -format html -o %t.html.dir
 // RUN: FileCheck -check-prefix=HTML -input-file=%t.html.dir/coverage/mcdc-general.cpp.html %s
-// HTML-COUNT-4: MC/DC Decision Region (<span class='line-number'><a name='L{{[0-9]+}}' href='#L{{[0-9]+}}'><span>
+// HTML-COUNT-4: MC/DC Decision Region (<span class='line-number'><a href='#L{{[0-9]+}}'><span>
 
 // RUN: FileCheck -check-prefix HTML-INDEX -input-file %t.html.dir/index.html %s
 // HTML-INDEX-LABEL: <table>

llvm/test/tools/llvm-cov/mcdc-general.test

@@ -119,7 +119,7 @@
 // RUN: rm -rf %t.html.dir
 // RUN: llvm-cov show --show-mcdc-summary --show-mcdc %S/Inputs/mcdc-general.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs -format html -o %t.html.dir
 // RUN: FileCheck -check-prefix=HTML -input-file=%t.html.dir/coverage/mcdc-general.cpp.html %s
-// HTML-COUNT-4: MC/DC Decision Region (<span class='line-number'><a name='L{{[0-9]+}}' href='#L{{[0-9]+}}'><span>
+// HTML-COUNT-4: MC/DC Decision Region (<span class='line-number'><a href='#L{{[0-9]+}}'><span>
 
 // RUN: FileCheck -check-prefix HTML-INDEX -input-file %t.html.dir/index.html %s
 // HTML-INDEX-LABEL: <table>

llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp

@@ -993,15 +993,13 @@ void SourceCoverageViewHTML::renderMCDCView(raw_ostream &OS, MCDCView &MRV,
     std::string ColNoStr = Twine(DecisionRegion.ColumnStart).str();
     std::string TargetName = "L" + LineNoStr;
     OS << tag("span",
-              a("#" + TargetName, tag("span", LineNoStr + ":" + ColNoStr),
-                TargetName),
+              a("#" + TargetName, tag("span", LineNoStr + ":" + ColNoStr)),
               "line-number") +
               ") to (";
     LineNoStr = utostr(uint64_t(DecisionRegion.LineEnd));
     ColNoStr = utostr(uint64_t(DecisionRegion.ColumnEnd));
     OS << tag("span",
-              a("#" + TargetName, tag("span", LineNoStr + ":" + ColNoStr),
-                TargetName),
+              a("#" + TargetName, tag("span", LineNoStr + ":" + ColNoStr)),
               "line-number") +
               ")\n\n";