Move Converter#getType implementation

All Converters are typed on the ConversionRequest class.. so we can put
getType into AbstractConverter.

Author: hinerm

src/main/java/org/scijava/convert/AbstractConverter.java

@@ -80,4 +80,9 @@ public Object convert(final ConversionRequest request) {
 	public boolean supports(final ConversionRequest request) {
 		return canConvert(request);
 	}
+
+	@Override
+	public Class<ConversionRequest> getType() {
+		return ConversionRequest.class;
+	}
 }

src/main/java/org/scijava/convert/DefaultConverter.java

@@ -265,13 +265,6 @@ public <T> T convert(final Object src, final Class<T> dest) {
 		}
 	}
 
-	// -- Typed methods --
-
-	@Override
-	public Class<ConversionRequest> getType() {
-		return ConversionRequest.class;
-	}
-
 	// -- Helper methods --
 
 	private Constructor<?> getConstructor(final Class<?> type,