Refactor: Remove unnecessary using directives across multiple files

- Cleaned up code by removing unused using directives from various test and implementation files in the trends and volume directories.
- This includes files related to HMA, HTIT, JMA, KAMA, LSMA, MAMA, MGDI, PWMA, RMA, SMA, SSF, SUPER, T3, TEMA, TRIMA, USF, VIDYA, WMA, ATR, ADL, and ADOSC.
- Improved code readability and maintainability by streamlining imports.

quantower/Quantower.Tests.csproj

@@ -10,6 +10,11 @@
     <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Using Include="Xunit" />
+    <Using Include="QuanTAlib" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
@@ -43,4 +48,4 @@
     <Compile Include="IndicatorExtensions.cs" />
   </ItemGroup>
 
-</Project>
+</Project>