qcacld-3.0: LFR3: Fix ESE Regression

Remove WLAN_FEATURE_NEIGHBOR_ROAMING which is not defined
in the build file.
Also fix the regression that has been introduced by the
change I857f9c16eb73a4b0f72e0a622be47ab756fb70f4.

CRs-Fixed: 1003135
Change-Id: I741fd3cf69a05c346e1bc11498f93e928e5c1244

core/sme/src/csr/csr_api_roam.c

@@ -1535,11 +1535,7 @@ QDF_STATUS csr_create_roam_scan_channel_list(tpAniSirGlobal pMac,
  */
 bool csr_roam_is_ese_assoc(tpAniSirGlobal mac_ctx, uint8_t session_id)
 {
-#ifdef WLAN_FEATURE_NEIGHBOR_ROAMING
 	return mac_ctx->roam.neighborRoamInfo[session_id].isESEAssoc;
-#else
-	return false;
-#endif
 }
 
 /**