Removed installUserId. Its no longer required after removing caching feature.

Author: NidhiDixit09

BranchSDK/BNCServerInterface.m

@@ -463,14 +463,9 @@ - (NSMutableDictionary *)prepareParamDict:(NSDictionary *)params
     NSDictionary *urlQueryParams = [utility referringURLQueryParamsForEndpoint:self.requestEndpoint];
     [fullParamDict bnc_safeAddEntriesFromDictionary:urlQueryParams];
 
-    if ([self.requestEndpoint containsString:@"/v1/open"]) {
+    if ([self.requestEndpoint containsString:@"/v1/open"] || [self.requestEndpoint containsString:@"/v1/install"]) {
         [fullParamDict bnc_safeSetObject:[BNCPreferenceHelper sharedInstance].userIdentity forKey:@"identity"];
     }
-    
-    if ([self.requestEndpoint containsString:@"/v1/install"]) {
-        [fullParamDict bnc_safeSetObject: [Branch getInstance].installUserId forKey:@"identity"];
-    }
-        
 
     return fullParamDict;
 }

BranchSDK/Branch.h

@@ -1856,8 +1856,6 @@ typedef NS_ENUM(NSUInteger, BranchCreditHistoryOrder) {
 - (void)passPasteItemProviders:(NSArray<NSItemProvider *> *)itemProviders API_AVAILABLE(ios(16));
 #endif
 
-@property (copy, nonatomic, nullable) NSString *installUserId;
-
 @end
 
 NS_ASSUME_NONNULL_END