Adjust to ObjFW changes

FossilOrigin-Name: b80a03bd2fd4ff11dc0d9c7ce330695ebc060f78034b9ade2d7eb53d88c7bb80

src/PGConnection.m

@@ -4,6 +4,8 @@
 #import "PGCommandFailedException.h"
 
 @implementation PGConnection
+@synthesize parameters = _parameters;
+
 - (void)dealloc
 {
 	[_parameters release];
@@ -13,16 +15,6 @@
 	[super dealloc];
 }
 
-- (void)setParameters: (OFDictionary*)parameters
-{
-	OF_SETTER(_parameters, parameters, YES, YES)
-}
-
-- (OFDictionary*)parameters
-{
-	OF_GETTER(_parameters, YES)
-}
-
 - (void)connect
 {
 	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];