hide some errors that are too frequent

src/actions/ethereum/SendFormValidationActions.js

@@ -408,7 +408,7 @@ export const calculateFee = (gasPrice: string, gasLimit: string): string => {
             'ether'
         );
     } catch (error) {
-        console.error(error);
+        // TODO: empty input throws this error.
         return '0';
     }
 };
@@ -422,7 +422,7 @@ export const calculateTotal = (amount: string, gasPrice: string, gasLimit: strin
         }
         return bAmount.plus(calculateFee(gasPrice, gasLimit)).toFixed();
     } catch (error) {
-        console.error(error);
+        // TODO: empty input throws this error.
         return '0';
     }
 };

src/actions/ripple/SendFormValidationActions.js

@@ -383,7 +383,7 @@ const calculateTotal = (amount: string, fee: string): string => {
         }
         return bAmount.plus(fee).toFixed();
     } catch (error) {
-        console.error(error);
+        // TODO: empty input throws this error.
         return '0';
     }
 };

src/utils/formatUtils.js

@@ -11,7 +11,6 @@ export const toDecimalAmount = (amount: string | number, decimals: number): stri
         }
         return bAmount.div(10 ** decimals).toString(10);
     } catch (error) {
-        console.error(error);
         return '0';
     }
 };
@@ -25,7 +24,6 @@ export const fromDecimalAmount = (amount: string | number, decimals: number): st
         }
         return bAmount.times(10 ** decimals).toString(10);
     } catch (error) {
-        console.error(error);
         return '0';
     }
 };