fix: updated version of com.fasterxml.jackson

Updated to a new version of the com.fasterxml.jackson libraries to address CVE-2022-42004.  FasterXML/jackson-databind#3582

Cleaned up the code where the jackson is used

Author: eperret

pom.xml

@@ -3,7 +3,7 @@
 
     <groupId>com.salesforce</groupId>
     <artifactId>omakase</artifactId>
-    <version>1.7.3-SNAPSHOT</version>
+    <version>1.7.3</version>
 
     <name>Omakase CSS Parser</name>
     <description>Java-based, plugin-oriented CSS3+ parser</description>

src/main/java/com/salesforce/omakase/data/PrefixTables.java

@@ -474,7 +474,6 @@ public final class PrefixTables {
         ImmutableTable.Builder<String, Browser, Double> builder = ImmutableTable.builder();
 
         builder.put("selection", Browser.FIREFOX, 61.0);
-        builder.put("placeholder", Browser.IE, 11.0);
         builder.put("placeholder", Browser.EDGE, 17.0);
         builder.put("placeholder", Browser.OPERA, 43.0);
         builder.put("placeholder", Browser.CHROME, 56.0);