Metrics failed bug ios (#41)

* Shutdown feature nd (#26)

* Flutter GA release Version 0.0.1 (#24)

* Flutter GA release Version 0.0.1

* Flutter GA release Version 0.0.1

Signed-off-by: ndesai-newrelic <89222514+ndesai-newrelic@users.noreply.github.com>

---------

Signed-off-by: ndesai-newrelic <89222514+ndesai-newrelic@users.noreply.github.com>
Co-authored-by: Nisarg Desai <ndesai@@newrelic.com>

* Updated READ.me with Secure apache URL

* added shutdown,record metric,currentsessionId,Incremnet Attribute static Method

Signed-off-by: ndesai-newrelic <89222514+ndesai-newrelic@users.noreply.github.com>

---------

Signed-off-by: ndesai-newrelic <89222514+ndesai-newrelic@users.noreply.github.com>
Co-authored-by: Nisarg Desai <ndesai@@newrelic.com>

* [BUG] Record custom metric failed. Invalid name: Mobile/iOS/Flutter/Agent/1.0.0 #40

[Fix] Removed the metric from ios side.

---------

Signed-off-by: ndesai-newrelic <89222514+ndesai-newrelic@users.noreply.github.com>
Co-authored-by: Nisarg Desai <ndesai@@newrelic.com>

ios/Classes/SwiftNewrelicMobilePlugin.swift

@@ -53,8 +53,6 @@ public class SwiftNewrelicMobilePlugin: NSObject, FlutterPlugin {
             NewRelic.setPlatform(NRMAApplicationPlatform.platform_Flutter)
             NewRelic.start(withApplicationToken:applicationToken!)
             NewRelic.setAttribute("DartVersion", value:dartVersion!)
-            NewRelic.recordMetric(withName: "Mobile/iOS/Flutter/Agent/1.0.0", category: "Supportability", value: 1)
-
 
             result("Agent Started")
         case "getPlatformVersion":