Remove unreachable panics (Go 1.1 doesn't need them)

connection.go

@@ -101,8 +101,6 @@ func Connect(parameters ConnectionParameters) (c *Connection, err error) {
 			return nil, err
 		}
 	}
-
-	panic("Unreachable")
 }
 
 func (c *Connection) Close() (err error) {
@@ -143,8 +141,6 @@ func (c *Connection) SelectFunc(sql string, onDataRow func(*DataRowReader) error
 			return
 		}
 	}
-
-	panic("Unreachable")
 }
 
 func (c *Connection) SelectRows(sql string, arguments ...interface{}) (rows []map[string]interface{}, err error) {
@@ -255,8 +251,6 @@ func (c *Connection) Execute(sql string, arguments ...interface{}) (commandTag s
 			return
 		}
 	}
-
-	panic("Unreachable")
 }
 
 // Processes messages that are not exclusive to one context such as
@@ -274,9 +268,6 @@ func (c *Connection) processContextFreeMsg(t byte, r *MessageReader) (err error)
 	default:
 		return fmt.Errorf("Received unknown message type: %c", t)
 	}
-
-	panic("Unreachable")
-
 }
 
 func (c *Connection) rxMsg() (t byte, r *MessageReader, err error) {
@@ -360,8 +351,6 @@ func (c *Connection) rxErrorResponse(r *MessageReader) (err PgError) {
 			r.ReadString()
 		}
 	}
-
-	panic("Unreachable")
 }
 
 func (c *Connection) rxBackendKeyData(r *MessageReader) {

sanitize.go

@@ -50,7 +50,6 @@ func (c *Connection) SanitizeSql(sql string, args ...interface{}) (output string
 		default:
 			panic("Unable to sanitize type: " + reflect.TypeOf(arg).String())
 		}
-		panic("Unreachable")
 	}
 
 	output = literalPattern.ReplaceAllStringFunc(sql, replacer)