CTest: Remove code to fix scanbuild errors

Remove code from cmParseBlanketJSCoverage.cxx and
cmParseDelphiCoverage.cxx which caused scanbuild errors
about not reading the value that was stored.

Source/CTest/cmParseBlanketJSCoverage.cxx

@@ -81,7 +81,6 @@ public:
               this->Coverage.TotalCoverage[filename];
           CoverageVector = localCoverageVector;
           localCoverageVector.clear();
-          foundFile=false;
           }
         foundFile= true;
         inSource = false;
@@ -122,7 +121,6 @@ public:
     FileLinesType& CoverageVector =
         this->Coverage.TotalCoverage[filename];
     CoverageVector = localCoverageVector;
-    foundFile=false;
     localCoverageVector.clear();
     return true;
     }

Source/CTest/cmParseDelphiCoverage.cxx

@@ -136,8 +136,6 @@ public:
         break;
         }
       pos = lastoffset+1;
-      endnamepos = 0;
-      lastoffset =0;
       }
     /*
     *  Glob through the source directory for the