[RQD][FIX] Remove code duplication (#2123)

**Summary**
Remove code logic duplication in rqcore env vars setting.

The two sections removed are repeated before and after them.

Author: anton-ubi

rqd/rqd/rqcore.py

@@ -781,15 +781,7 @@ def __createEnvVariables(self):
             for variable in ["SYSTEMROOT", "APPDATA", "TMP", "COMMONPROGRAMFILES", "SYSTEMDRIVE"]:
                 if variable in os.environ:
                     self.frameEnv[variable] = os.environ[variable]
-        for variable in rqd.rqconstants.RQD_HOST_ENV_VARS:
-            # Fallback to empty string, easy to spot what is missing in the log
-            self.frameEnv[variable] = os.environ.get(variable, '')
 
-
-        if platform.system() == "Windows":
-            for variable in ["SYSTEMROOT", "APPDATA", "TMP", "COMMONPROGRAMFILES", "SYSTEMDRIVE"]:
-                if variable in os.environ:
-                    self.frameEnv[variable] = os.environ[variable]
         if rqd.rqconstants.RQD_HOST_ENV_VARS:
             for variable in rqd.rqconstants.RQD_HOST_ENV_VARS:
                 # Fallback to empty string, easy to spot what is missing in the log