build: bump major version

pom.xml

@@ -24,7 +24,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.github.package-url</groupId>
   <artifactId>packageurl-java</artifactId>
-  <version>1.6.0-SNAPSHOT</version>
+  <version>2.0.0-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>Package URL</name>

src/main/java/com/github/packageurl/PackageURL.java

@@ -212,31 +212,6 @@ public PackageURL(final String type, final String name) throws MalformedPackageU
         this(type, null, name, null, (Map<String, String>) null, null);
     }
 
-    /**
-     * Constructs a new PackageURL object.
-     *
-     * @param type the type of package (i.e., maven, npm, gem, etc.), not {@code null}
-     * @param namespace  the name prefix (i.e., group, owner, organization)
-     * @param name the name of the package, not {@code null}
-     * @param version the version of the package
-     * @param qualifiers an array of key/value pair qualifiers
-     * @param subpath the subpath string
-     * @throws MalformedPackageURLException if parsing fails
-     * @throws NullPointerException if {@code type} or {@code name} are {@code null}
-     * @deprecated use {@link #PackageURL(String, String, String, String, Map, String)} instead
-     */
-    @Deprecated
-    public PackageURL(
-            final String type,
-            final @Nullable String namespace,
-            final String name,
-            final @Nullable String version,
-            final @Nullable TreeMap<String, String> qualifiers,
-            final @Nullable String subpath)
-            throws MalformedPackageURLException {
-        this(type, namespace, name, version, qualifiers != null ? (Map<String, String>) qualifiers : null, subpath);
-    }
-
     /**
      * Constructs a new PackageURL object.
      *