Remove conditional check for isMultiLine

At all 3 places isMultiLine is checked in for loop :
for (int index = 0; index < size && !isMultiLine; ++index) {
It means !isMultiLine is always true (otherwise do not enter loop), so || condition does not depend on isMultiLine, so removed that.

Author: ya1gaurav

src/lib_json/json_writer.cpp

@@ -489,8 +489,7 @@ bool StyledWriter::isMultineArray(const Value& value) {
   childValues_.clear();
   for (int index = 0; index < size && !isMultiLine; ++index) {
     const Value& childValue = value[index];
-    isMultiLine =
-        isMultiLine || ((childValue.isArray() || childValue.isObject()) &&
+    isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
                         childValue.size() > 0);
   }
   if (!isMultiLine) // check if line length > max line length
@@ -709,8 +708,7 @@ bool StyledStreamWriter::isMultineArray(const Value& value) {
   childValues_.clear();
   for (int index = 0; index < size && !isMultiLine; ++index) {
     const Value& childValue = value[index];
-    isMultiLine =
-        isMultiLine || ((childValue.isArray() || childValue.isObject()) &&
+    isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
                         childValue.size() > 0);
   }
   if (!isMultiLine) // check if line length > max line length
@@ -989,8 +987,7 @@ bool BuiltStyledStreamWriter::isMultineArray(Value const& value) {
   childValues_.clear();
   for (int index = 0; index < size && !isMultiLine; ++index) {
     Value const& childValue = value[index];
-    isMultiLine =
-        isMultiLine || ((childValue.isArray() || childValue.isObject()) &&
+    isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
                         childValue.size() > 0);
   }
   if (!isMultiLine) // check if line length > max line length