revert changes of GDB-8336

What
Reverts the changes introduced to address the GDB-8336 issue.

Why
Added escaping to double quotes adds extra character in user data.

How
Removes the previously added double quote escaping.

src/js/angular/explore/statements.service.js

@@ -38,12 +38,10 @@ function StatementsService() {
             for (let j = 0; j < value.length; j++) {
                 const statement = value[j];
                 data += '\n\t<' + statement.subject + '> <' + statement.predicate + '> ';
-                let statementObjectValue = statement.object.value;
                 if (statement.object.type === 'uri') {
-                    data += '<' + statementObjectValue + '> .';
+                    data += '<' + statement.object.value + '> .';
                 } else {
-                    statementObjectValue = statementObjectValue.replace(/"/g, '\\"');
-                    data += '"""' + statementObjectValue + '"""' + (statement.object.datatype ? '^^<' + statement.object.datatype + '>' : (statement.object.lang ? '@' + statement.object.lang : '')) + ' .';
+                    data += '"""' + statement.object.value + '"""' + (statement.object.datatype ? '^^<' + statement.object.datatype + '>' : (statement.object.lang ? '@' + statement.object.lang : '')) + ' .';
                 }
             }