Clear hardcoded development team from Xcode project.

Let each developer set their own signing team locally instead of committing a specific Apple team ID in the shared project file.

Co-authored-by: Cursor <cursoragent@cursor.com>

meetings_app.xcodeproj/project.pbxproj

@@ -259,7 +259,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 2;
-				DEVELOPMENT_TEAM = NNC7V99779;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_APP_SANDBOX = YES;
 				ENABLE_USER_SELECTED_FILES = readonly;
 				GENERATE_INFOPLIST_FILE = NO;
@@ -293,7 +293,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 2;
-				DEVELOPMENT_TEAM = NNC7V99779;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_APP_SANDBOX = YES;
 				ENABLE_USER_SELECTED_FILES = readonly;
 				GENERATE_INFOPLIST_FILE = NO;

meetings_app.xcodeproj/xcshareddata/xcschemes/meetings_app.xcscheme

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
    LastUpgradeVersion = "2640"
-   version = "1.8">
+   version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"
       buildImplicitDependencies = "YES"